Home / 4,257.60-6,387.06-2,176.47

Finding the Fourth Proportional to 4,257.60, 6,387.06 and 2,176.47

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Solution

The fourth proportional to 4,257.60, 6,387.06 and 2,176.47 is: 3,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.60 : 6,387.06 = 2,176.47 : x
  2. Step 2: Convert to fraction form
    4,257.60/6,387.06 = 2,176.47/x
  3. Step 3: Cross multiply
    4,257.60x = 6,387.06 × 2,176.47
  4. Step 4: Simplify right side
    4,257.60x = 13,901,244.48
  5. Step 5: Solve for x
    x = 13,901,244.48/4,257.60
  6. Step 6: Final answer
    x = 3,265.04

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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.