Home / 9,127.38-13,691.43-2,887.50

Finding the Fourth Proportional to 9,127.38, 13,691.43 and 2,887.50

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Solution

The fourth proportional to 9,127.38, 13,691.43 and 2,887.50 is: 4,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.38 : 13,691.43 = 2,887.50 : x
  2. Step 2: Convert to fraction form
    9,127.38/13,691.43 = 2,887.50/x
  3. Step 3: Cross multiply
    9,127.38x = 13,691.43 × 2,887.50
  4. Step 4: Simplify right side
    9,127.38x = 39,534,004.13
  5. Step 5: Solve for x
    x = 39,534,004.13/9,127.38
  6. Step 6: Final answer
    x = 4,331.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.