Home / 8,326.59-12,487.14-2,778.29

Finding the Fourth Proportional to 8,326.59, 12,487.14 and 2,778.29

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Solution

The fourth proportional to 8,326.59, 12,487.14 and 2,778.29 is: 4,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.59 : 12,487.14 = 2,778.29 : x
  2. Step 2: Convert to fraction form
    8,326.59/12,487.14 = 2,778.29/x
  3. Step 3: Cross multiply
    8,326.59x = 12,487.14 × 2,778.29
  4. Step 4: Simplify right side
    8,326.59x = 34,692,833.75
  5. Step 5: Solve for x
    x = 34,692,833.75/8,326.59
  6. Step 6: Final answer
    x = 4,166.51

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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.