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Finding the Fourth Proportional to 5,166.59, 7,752.17 and 2,945.34

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Solution

The fourth proportional to 5,166.59, 7,752.17 and 2,945.34 is: 4,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.59 : 7,752.17 = 2,945.34 : x
  2. Step 2: Convert to fraction form
    5,166.59/7,752.17 = 2,945.34/x
  3. Step 3: Cross multiply
    5,166.59x = 7,752.17 × 2,945.34
  4. Step 4: Simplify right side
    5,166.59x = 22,832,753.33
  5. Step 5: Solve for x
    x = 22,832,753.33/5,166.59
  6. Step 6: Final answer
    x = 4,419.31

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1.5x scale

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.