Home / 8,274.24-12,411.36-3,660.48

Finding the Fourth Proportional to 8,274.24, 12,411.36 and 3,660.48

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Solution

The fourth proportional to 8,274.24, 12,411.36 and 3,660.48 is: 5,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.24 : 12,411.36 = 3,660.48 : x
  2. Step 2: Convert to fraction form
    8,274.24/12,411.36 = 3,660.48/x
  3. Step 3: Cross multiply
    8,274.24x = 12,411.36 × 3,660.48
  4. Step 4: Simplify right side
    8,274.24x = 45,431,535.05
  5. Step 5: Solve for x
    x = 45,431,535.05/8,274.24
  6. Step 6: Final answer
    x = 5,490.72

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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.