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Finding the Fourth Proportional to 4,310.72, 5,948.80 and 2,447.72

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Solution

The fourth proportional to 4,310.72, 5,948.80 and 2,447.72 is: 3,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.72 : 5,948.80 = 2,447.72 : x
  2. Step 2: Convert to fraction form
    4,310.72/5,948.80 = 2,447.72/x
  3. Step 3: Cross multiply
    4,310.72x = 5,948.80 × 2,447.72
  4. Step 4: Simplify right side
    4,310.72x = 14,560,983.18
  5. Step 5: Solve for x
    x = 14,560,983.18/4,310.72
  6. Step 6: Final answer
    x = 3,377.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.