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Finding the Fourth Proportional to 5,432.17, 7,496.31 and 2,948.17

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Solution

The fourth proportional to 5,432.17, 7,496.31 and 2,948.17 is: 4,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.17 : 7,496.31 = 2,948.17 : x
  2. Step 2: Convert to fraction form
    5,432.17/7,496.31 = 2,948.17/x
  3. Step 3: Cross multiply
    5,432.17x = 7,496.31 × 2,948.17
  4. Step 4: Simplify right side
    5,432.17x = 22,100,396.25
  5. Step 5: Solve for x
    x = 22,100,396.25/5,432.17
  6. Step 6: Final answer
    x = 4,068.43

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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.