Home / 8,266.32-12,397.05-2,718.43

Finding the Fourth Proportional to 8,266.32, 12,397.05 and 2,718.43

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Solution

The fourth proportional to 8,266.32, 12,397.05 and 2,718.43 is: 4,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.32 : 12,397.05 = 2,718.43 : x
  2. Step 2: Convert to fraction form
    8,266.32/12,397.05 = 2,718.43/x
  3. Step 3: Cross multiply
    8,266.32x = 12,397.05 × 2,718.43
  4. Step 4: Simplify right side
    8,266.32x = 33,700,481.64
  5. Step 5: Solve for x
    x = 33,700,481.64/8,266.32
  6. Step 6: Final answer
    x = 4,076.84

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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.