Home / 8,278.74-12,416.90-2,732.27

Finding the Fourth Proportional to 8,278.74, 12,416.90 and 2,732.27

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Solution

The fourth proportional to 8,278.74, 12,416.90 and 2,732.27 is: 4,098.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.74 : 12,416.90 = 2,732.27 : x
  2. Step 2: Convert to fraction form
    8,278.74/12,416.90 = 2,732.27/x
  3. Step 3: Cross multiply
    8,278.74x = 12,416.90 × 2,732.27
  4. Step 4: Simplify right side
    8,278.74x = 33,926,247.62
  5. Step 5: Solve for x
    x = 33,926,247.62/8,278.74
  6. Step 6: Final answer
    x = 4,098.00

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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.