Home / 8,414.48-12,621.24-2,258

Finding the Fourth Proportional to 8,414.48, 12,621.24 and 2,258

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Solution

The fourth proportional to 8,414.48, 12,621.24 and 2,258 is: 3,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.48 : 12,621.24 = 2,258 : x
  2. Step 2: Convert to fraction form
    8,414.48/12,621.24 = 2,258/x
  3. Step 3: Cross multiply
    8,414.48x = 12,621.24 × 2,258
  4. Step 4: Simplify right side
    8,414.48x = 28,498,759.92
  5. Step 5: Solve for x
    x = 28,498,759.92/8,414.48
  6. Step 6: Final answer
    x = 3,386.87

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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.