Home / 8,331.88-12,490.14-4,226.92

Finding the Fourth Proportional to 8,331.88, 12,490.14 and 4,226.92

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Solution

The fourth proportional to 8,331.88, 12,490.14 and 4,226.92 is: 6,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.88 : 12,490.14 = 4,226.92 : x
  2. Step 2: Convert to fraction form
    8,331.88/12,490.14 = 4,226.92/x
  3. Step 3: Cross multiply
    8,331.88x = 12,490.14 × 4,226.92
  4. Step 4: Simplify right side
    8,331.88x = 52,794,822.57
  5. Step 5: Solve for x
    x = 52,794,822.57/8,331.88
  6. Step 6: Final answer
    x = 6,336.48

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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.