Home / 6,761.11-9,332.90-5,087.38

Finding the Fourth Proportional to 6,761.11, 9,332.90 and 5,087.38

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Solution

The fourth proportional to 6,761.11, 9,332.90 and 5,087.38 is: 7,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.11 : 9,332.90 = 5,087.38 : x
  2. Step 2: Convert to fraction form
    6,761.11/9,332.90 = 5,087.38/x
  3. Step 3: Cross multiply
    6,761.11x = 9,332.90 × 5,087.38
  4. Step 4: Simplify right side
    6,761.11x = 47,480,008.80
  5. Step 5: Solve for x
    x = 47,480,008.80/6,761.11
  6. Step 6: Final answer
    x = 7,022.52

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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.