Home / 8,677.31-11,974.68-5,091.53

Finding the Fourth Proportional to 8,677.31, 11,974.68 and 5,091.53

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Solution

The fourth proportional to 8,677.31, 11,974.68 and 5,091.53 is: 7,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.31 : 11,974.68 = 5,091.53 : x
  2. Step 2: Convert to fraction form
    8,677.31/11,974.68 = 5,091.53/x
  3. Step 3: Cross multiply
    8,677.31x = 11,974.68 × 5,091.53
  4. Step 4: Simplify right side
    8,677.31x = 60,969,382.59
  5. Step 5: Solve for x
    x = 60,969,382.59/8,677.31
  6. Step 6: Final answer
    x = 7,026.30

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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.