Home / 7,267.18-10,891.17-2,645.74

Finding the Fourth Proportional to 7,267.18, 10,891.17 and 2,645.74

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Solution

The fourth proportional to 7,267.18, 10,891.17 and 2,645.74 is: 3,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267.18 : 10,891.17 = 2,645.74 : x
  2. Step 2: Convert to fraction form
    7,267.18/10,891.17 = 2,645.74/x
  3. Step 3: Cross multiply
    7,267.18x = 10,891.17 × 2,645.74
  4. Step 4: Simplify right side
    7,267.18x = 28,815,204.12
  5. Step 5: Solve for x
    x = 28,815,204.12/7,267.18
  6. Step 6: Final answer
    x = 3,965.11

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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.