Home / 8,131.86-11,220.75-4,595.04

Finding the Fourth Proportional to 8,131.86, 11,220.75 and 4,595.04

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Solution

The fourth proportional to 8,131.86, 11,220.75 and 4,595.04 is: 6,340.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.86 : 11,220.75 = 4,595.04 : x
  2. Step 2: Convert to fraction form
    8,131.86/11,220.75 = 4,595.04/x
  3. Step 3: Cross multiply
    8,131.86x = 11,220.75 × 4,595.04
  4. Step 4: Simplify right side
    8,131.86x = 51,559,795.08
  5. Step 5: Solve for x
    x = 51,559,795.08/8,131.86
  6. Step 6: Final answer
    x = 6,340.47

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Find fourth proportional to 4,065.93, 5,610.38 and 2,297.52
Half scale
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Double scale
Find fourth proportional to 8,132.86, 11,222.13 and 4,596.04
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.