Home / 8,331.53-12,497.28-2,783.61

Finding the Fourth Proportional to 8,331.53, 12,497.28 and 2,783.61

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Solution

The fourth proportional to 8,331.53, 12,497.28 and 2,783.61 is: 4,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.53 : 12,497.28 = 2,783.61 : x
  2. Step 2: Convert to fraction form
    8,331.53/12,497.28 = 2,783.61/x
  3. Step 3: Cross multiply
    8,331.53x = 12,497.28 × 2,783.61
  4. Step 4: Simplify right side
    8,331.53x = 34,787,553.58
  5. Step 5: Solve for x
    x = 34,787,553.58/8,331.53
  6. Step 6: Final answer
    x = 4,175.41

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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.