Home / 5,034-7,545.60-2,431.20

Finding the Fourth Proportional to 5,034, 7,545.60 and 2,431.20

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Solution

The fourth proportional to 5,034, 7,545.60 and 2,431.20 is: 3,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,034 : 7,545.60 = 2,431.20 : x
  2. Step 2: Convert to fraction form
    5,034/7,545.60 = 2,431.20/x
  3. Step 3: Cross multiply
    5,034x = 7,545.60 × 2,431.20
  4. Step 4: Simplify right side
    5,034x = 18,344,862.72
  5. Step 5: Solve for x
    x = 18,344,862.72/5,034
  6. Step 6: Final answer
    x = 3,644.19

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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.