Home / 5,391.36-8,098.11-3,545.10

Finding the Fourth Proportional to 5,391.36, 8,098.11 and 3,545.10

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Solution

The fourth proportional to 5,391.36, 8,098.11 and 3,545.10 is: 5,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.36 : 8,098.11 = 3,545.10 : x
  2. Step 2: Convert to fraction form
    5,391.36/8,098.11 = 3,545.10/x
  3. Step 3: Cross multiply
    5,391.36x = 8,098.11 × 3,545.10
  4. Step 4: Simplify right side
    5,391.36x = 28,708,609.76
  5. Step 5: Solve for x
    x = 28,708,609.76/5,391.36
  6. Step 6: Final answer
    x = 5,324.93

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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.