Home / 8,356.38-12,534.48-3,424.92

Finding the Fourth Proportional to 8,356.38, 12,534.48 and 3,424.92

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Solution

The fourth proportional to 8,356.38, 12,534.48 and 3,424.92 is: 5,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.38 : 12,534.48 = 3,424.92 : x
  2. Step 2: Convert to fraction form
    8,356.38/12,534.48 = 3,424.92/x
  3. Step 3: Cross multiply
    8,356.38x = 12,534.48 × 3,424.92
  4. Step 4: Simplify right side
    8,356.38x = 42,929,591.24
  5. Step 5: Solve for x
    x = 42,929,591.24/8,356.38
  6. Step 6: Final answer
    x = 5,137.34

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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.