Home / 7,511.13-11,265.89-2,580.66

Finding the Fourth Proportional to 7,511.13, 11,265.89 and 2,580.66

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Solution

The fourth proportional to 7,511.13, 11,265.89 and 2,580.66 is: 3,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.13 : 11,265.89 = 2,580.66 : x
  2. Step 2: Convert to fraction form
    7,511.13/11,265.89 = 2,580.66/x
  3. Step 3: Cross multiply
    7,511.13x = 11,265.89 × 2,580.66
  4. Step 4: Simplify right side
    7,511.13x = 29,073,418.78
  5. Step 5: Solve for x
    x = 29,073,418.78/7,511.13
  6. Step 6: Final answer
    x = 3,870.71

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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.