Home / 5,424-8,136.54-2,501.88

Finding the Fourth Proportional to 5,424, 8,136.54 and 2,501.88

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Solution

The fourth proportional to 5,424, 8,136.54 and 2,501.88 is: 3,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424 : 8,136.54 = 2,501.88 : x
  2. Step 2: Convert to fraction form
    5,424/8,136.54 = 2,501.88/x
  3. Step 3: Cross multiply
    5,424x = 8,136.54 × 2,501.88
  4. Step 4: Simplify right side
    5,424x = 20,356,646.70
  5. Step 5: Solve for x
    x = 20,356,646.70/5,424
  6. Step 6: Final answer
    x = 3,753.07

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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.