Home / 8,474.28-12,712.98-2,629.50

Finding the Fourth Proportional to 8,474.28, 12,712.98 and 2,629.50

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Solution

The fourth proportional to 8,474.28, 12,712.98 and 2,629.50 is: 3,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.28 : 12,712.98 = 2,629.50 : x
  2. Step 2: Convert to fraction form
    8,474.28/12,712.98 = 2,629.50/x
  3. Step 3: Cross multiply
    8,474.28x = 12,712.98 × 2,629.50
  4. Step 4: Simplify right side
    8,474.28x = 33,428,780.91
  5. Step 5: Solve for x
    x = 33,428,780.91/8,474.28
  6. Step 6: Final answer
    x = 3,944.73

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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.