Home / 8,931.46-13,397.19-3,084.88

Finding the Fourth Proportional to 8,931.46, 13,397.19 and 3,084.88

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Solution

The fourth proportional to 8,931.46, 13,397.19 and 3,084.88 is: 4,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.46 : 13,397.19 = 3,084.88 : x
  2. Step 2: Convert to fraction form
    8,931.46/13,397.19 = 3,084.88/x
  3. Step 3: Cross multiply
    8,931.46x = 13,397.19 × 3,084.88
  4. Step 4: Simplify right side
    8,931.46x = 41,328,723.49
  5. Step 5: Solve for x
    x = 41,328,723.49/8,931.46
  6. Step 6: Final answer
    x = 4,627.32

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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.