Home / 5,424.10-8,136.03-2,502.40

Finding the Fourth Proportional to 5,424.10, 8,136.03 and 2,502.40

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Solution

The fourth proportional to 5,424.10, 8,136.03 and 2,502.40 is: 3,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.10 : 8,136.03 = 2,502.40 : x
  2. Step 2: Convert to fraction form
    5,424.10/8,136.03 = 2,502.40/x
  3. Step 3: Cross multiply
    5,424.10x = 8,136.03 × 2,502.40
  4. Step 4: Simplify right side
    5,424.10x = 20,359,601.47
  5. Step 5: Solve for x
    x = 20,359,601.47/5,424.10
  6. Step 6: Final answer
    x = 3,753.54

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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.