Home / 8,087.31-11,160.47-4,550.60

Finding the Fourth Proportional to 8,087.31, 11,160.47 and 4,550.60

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Solution

The fourth proportional to 8,087.31, 11,160.47 and 4,550.60 is: 6,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.31 : 11,160.47 = 4,550.60 : x
  2. Step 2: Convert to fraction form
    8,087.31/11,160.47 = 4,550.60/x
  3. Step 3: Cross multiply
    8,087.31x = 11,160.47 × 4,550.60
  4. Step 4: Simplify right side
    8,087.31x = 50,786,756.23
  5. Step 5: Solve for x
    x = 50,786,756.23/8,087.31
  6. Step 6: Final answer
    x = 6,279.81

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Half scale
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Double scale
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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.