Home / 5,545.55-7,652.76-3,155.47

Finding the Fourth Proportional to 5,545.55, 7,652.76 and 3,155.47

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Solution

The fourth proportional to 5,545.55, 7,652.76 and 3,155.47 is: 4,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.55 : 7,652.76 = 3,155.47 : x
  2. Step 2: Convert to fraction form
    5,545.55/7,652.76 = 3,155.47/x
  3. Step 3: Cross multiply
    5,545.55x = 7,652.76 × 3,155.47
  4. Step 4: Simplify right side
    5,545.55x = 24,148,035.50
  5. Step 5: Solve for x
    x = 24,148,035.50/5,545.55
  6. Step 6: Final answer
    x = 4,354.49

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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.