Home / 8,078.29-12,117.45-2,456.00

Finding the Fourth Proportional to 8,078.29, 12,117.45 and 2,456.00

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Solution

The fourth proportional to 8,078.29, 12,117.45 and 2,456.00 is: 3,684.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.29 : 12,117.45 = 2,456.00 : x
  2. Step 2: Convert to fraction form
    8,078.29/12,117.45 = 2,456.00/x
  3. Step 3: Cross multiply
    8,078.29x = 12,117.45 × 2,456.00
  4. Step 4: Simplify right side
    8,078.29x = 29,760,493.43
  5. Step 5: Solve for x
    x = 29,760,493.43/8,078.29
  6. Step 6: Final answer
    x = 3,684.01

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Double scale
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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.