Home / 8,414.27-12,621.21-2,871.48

Finding the Fourth Proportional to 8,414.27, 12,621.21 and 2,871.48

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Solution

The fourth proportional to 8,414.27, 12,621.21 and 2,871.48 is: 4,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.27 : 12,621.21 = 2,871.48 : x
  2. Step 2: Convert to fraction form
    8,414.27/12,621.21 = 2,871.48/x
  3. Step 3: Cross multiply
    8,414.27x = 12,621.21 × 2,871.48
  4. Step 4: Simplify right side
    8,414.27x = 36,241,552.09
  5. Step 5: Solve for x
    x = 36,241,552.09/8,414.27
  6. Step 6: Final answer
    x = 4,307.16

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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.