Home / 5,424.19-8,136.18-2,502.49

Finding the Fourth Proportional to 5,424.19, 8,136.18 and 2,502.49

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Solution

The fourth proportional to 5,424.19, 8,136.18 and 2,502.49 is: 3,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.19 : 8,136.18 = 2,502.49 : x
  2. Step 2: Convert to fraction form
    5,424.19/8,136.18 = 2,502.49/x
  3. Step 3: Cross multiply
    5,424.19x = 8,136.18 × 2,502.49
  4. Step 4: Simplify right side
    5,424.19x = 20,360,709.09
  5. Step 5: Solve for x
    x = 20,360,709.09/5,424.19
  6. Step 6: Final answer
    x = 3,753.69

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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.