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Finding the Fourth Proportional to 7,654.92, 10,574.20 and 5,997.30

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Solution

The fourth proportional to 7,654.92, 10,574.20 and 5,997.30 is: 8,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.92 : 10,574.20 = 5,997.30 : x
  2. Step 2: Convert to fraction form
    7,654.92/10,574.20 = 5,997.30/x
  3. Step 3: Cross multiply
    7,654.92x = 10,574.20 × 5,997.30
  4. Step 4: Simplify right side
    7,654.92x = 63,416,649.66
  5. Step 5: Solve for x
    x = 63,416,649.66/7,654.92
  6. Step 6: Final answer
    x = 8,284.43

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Half scale
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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.