Home / 7,538.88-11,306.43-3,587.70

Finding the Fourth Proportional to 7,538.88, 11,306.43 and 3,587.70

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Solution

The fourth proportional to 7,538.88, 11,306.43 and 3,587.70 is: 5,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.88 : 11,306.43 = 3,587.70 : x
  2. Step 2: Convert to fraction form
    7,538.88/11,306.43 = 3,587.70/x
  3. Step 3: Cross multiply
    7,538.88x = 11,306.43 × 3,587.70
  4. Step 4: Simplify right side
    7,538.88x = 40,564,078.91
  5. Step 5: Solve for x
    x = 40,564,078.91/7,538.88
  6. Step 6: Final answer
    x = 5,380.65

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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.