Home / 5,545.24-8,320.59-2,424.78

Finding the Fourth Proportional to 5,545.24, 8,320.59 and 2,424.78

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Solution

The fourth proportional to 5,545.24, 8,320.59 and 2,424.78 is: 3,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.24 : 8,320.59 = 2,424.78 : x
  2. Step 2: Convert to fraction form
    5,545.24/8,320.59 = 2,424.78/x
  3. Step 3: Cross multiply
    5,545.24x = 8,320.59 × 2,424.78
  4. Step 4: Simplify right side
    5,545.24x = 20,175,600.22
  5. Step 5: Solve for x
    x = 20,175,600.22/5,545.24
  6. Step 6: Final answer
    x = 3,638.37

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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.