Home / 8,291.31-11,447.50-6,373.72

Finding the Fourth Proportional to 8,291.31, 11,447.50 and 6,373.72

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Solution

The fourth proportional to 8,291.31, 11,447.50 and 6,373.72 is: 8,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.31 : 11,447.50 = 6,373.72 : x
  2. Step 2: Convert to fraction form
    8,291.31/11,447.50 = 6,373.72/x
  3. Step 3: Cross multiply
    8,291.31x = 11,447.50 × 6,373.72
  4. Step 4: Simplify right side
    8,291.31x = 72,963,159.70
  5. Step 5: Solve for x
    x = 72,963,159.70/8,291.31
  6. Step 6: Final answer
    x = 8,799.96

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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.