Home / 8,334.32-12,497.27-2,785.68

Finding the Fourth Proportional to 8,334.32, 12,497.27 and 2,785.68

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Solution

The fourth proportional to 8,334.32, 12,497.27 and 2,785.68 is: 4,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.32 : 12,497.27 = 2,785.68 : x
  2. Step 2: Convert to fraction form
    8,334.32/12,497.27 = 2,785.68/x
  3. Step 3: Cross multiply
    8,334.32x = 12,497.27 × 2,785.68
  4. Step 4: Simplify right side
    8,334.32x = 34,813,381.17
  5. Step 5: Solve for x
    x = 34,813,381.17/8,334.32
  6. Step 6: Final answer
    x = 4,177.11

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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.