Home / 8,131.51-11,221.20-4,594.65

Finding the Fourth Proportional to 8,131.51, 11,221.20 and 4,594.65

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Solution

The fourth proportional to 8,131.51, 11,221.20 and 4,594.65 is: 6,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.51 : 11,221.20 = 4,594.65 : x
  2. Step 2: Convert to fraction form
    8,131.51/11,221.20 = 4,594.65/x
  3. Step 3: Cross multiply
    8,131.51x = 11,221.20 × 4,594.65
  4. Step 4: Simplify right side
    8,131.51x = 51,557,458.53
  5. Step 5: Solve for x
    x = 51,557,458.53/8,131.51
  6. Step 6: Final answer
    x = 6,340.45

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,132.51, 11,222.58 and 4,595.65
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.