Home / 7,677.46-11,517.68-2,997.28

Finding the Fourth Proportional to 7,677.46, 11,517.68 and 2,997.28

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Solution

The fourth proportional to 7,677.46, 11,517.68 and 2,997.28 is: 4,496.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.46 : 11,517.68 = 2,997.28 : x
  2. Step 2: Convert to fraction form
    7,677.46/11,517.68 = 2,997.28/x
  3. Step 3: Cross multiply
    7,677.46x = 11,517.68 × 2,997.28
  4. Step 4: Simplify right side
    7,677.46x = 34,521,711.91
  5. Step 5: Solve for x
    x = 34,521,711.91/7,677.46
  6. Step 6: Final answer
    x = 4,496.50

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.