Home / 8,251.98-11,374.45-6,456.43

Finding the Fourth Proportional to 8,251.98, 11,374.45 and 6,456.43

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Solution

The fourth proportional to 8,251.98, 11,374.45 and 6,456.43 is: 8,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.98 : 11,374.45 = 6,456.43 : x
  2. Step 2: Convert to fraction form
    8,251.98/11,374.45 = 6,456.43/x
  3. Step 3: Cross multiply
    8,251.98x = 11,374.45 × 6,456.43
  4. Step 4: Simplify right side
    8,251.98x = 73,438,340.21
  5. Step 5: Solve for x
    x = 73,438,340.21/8,251.98
  6. Step 6: Final answer
    x = 8,899.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.