Home / 5,545.68-8,320.68-3,355.98

Finding the Fourth Proportional to 5,545.68, 8,320.68 and 3,355.98

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Solution

The fourth proportional to 5,545.68, 8,320.68 and 3,355.98 is: 5,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.68 : 8,320.68 = 3,355.98 : x
  2. Step 2: Convert to fraction form
    5,545.68/8,320.68 = 3,355.98/x
  3. Step 3: Cross multiply
    5,545.68x = 8,320.68 × 3,355.98
  4. Step 4: Simplify right side
    5,545.68x = 27,924,035.67
  5. Step 5: Solve for x
    x = 27,924,035.67/5,545.68
  6. Step 6: Final answer
    x = 5,035.28

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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.