Home / 5,545.24-7,654.16-3,777.88

Finding the Fourth Proportional to 5,545.24, 7,654.16 and 3,777.88

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Solution

The fourth proportional to 5,545.24, 7,654.16 and 3,777.88 is: 5,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.24 : 7,654.16 = 3,777.88 : x
  2. Step 2: Convert to fraction form
    5,545.24/7,654.16 = 3,777.88/x
  3. Step 3: Cross multiply
    5,545.24x = 7,654.16 × 3,777.88
  4. Step 4: Simplify right side
    5,545.24x = 28,916,497.98
  5. Step 5: Solve for x
    x = 28,916,497.98/5,545.24
  6. Step 6: Final answer
    x = 5,214.65

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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.