Home / 7,934.19-11,885.10-3,761.55

Finding the Fourth Proportional to 7,934.19, 11,885.10 and 3,761.55

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Solution

The fourth proportional to 7,934.19, 11,885.10 and 3,761.55 is: 5,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.19 : 11,885.10 = 3,761.55 : x
  2. Step 2: Convert to fraction form
    7,934.19/11,885.10 = 3,761.55/x
  3. Step 3: Cross multiply
    7,934.19x = 11,885.10 × 3,761.55
  4. Step 4: Simplify right side
    7,934.19x = 44,706,397.91
  5. Step 5: Solve for x
    x = 44,706,397.91/7,934.19
  6. Step 6: Final answer
    x = 5,634.65

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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.