Home / 8,761.17-13,141.76-2,187.35

Finding the Fourth Proportional to 8,761.17, 13,141.76 and 2,187.35

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Solution

The fourth proportional to 8,761.17, 13,141.76 and 2,187.35 is: 3,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.17 : 13,141.76 = 2,187.35 : x
  2. Step 2: Convert to fraction form
    8,761.17/13,141.76 = 2,187.35/x
  3. Step 3: Cross multiply
    8,761.17x = 13,141.76 × 2,187.35
  4. Step 4: Simplify right side
    8,761.17x = 28,745,552.09
  5. Step 5: Solve for x
    x = 28,745,552.09/8,761.17
  6. Step 6: Final answer
    x = 3,281.02

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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.