Home / 5,545.53-8,320.56-3,572.19

Finding the Fourth Proportional to 5,545.53, 8,320.56 and 3,572.19

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Solution

The fourth proportional to 5,545.53, 8,320.56 and 3,572.19 is: 5,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.53 : 8,320.56 = 3,572.19 : x
  2. Step 2: Convert to fraction form
    5,545.53/8,320.56 = 3,572.19/x
  3. Step 3: Cross multiply
    5,545.53x = 8,320.56 × 3,572.19
  4. Step 4: Simplify right side
    5,545.53x = 29,722,621.23
  5. Step 5: Solve for x
    x = 29,722,621.23/5,545.53
  6. Step 6: Final answer
    x = 5,359.74

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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.