Home / 10,561.55-15,841.10-2,770.97

Finding the Fourth Proportional to 10,561.55, 15,841.10 and 2,770.97

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Solution

The fourth proportional to 10,561.55, 15,841.10 and 2,770.97 is: 4,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.55 : 15,841.10 = 2,770.97 : x
  2. Step 2: Convert to fraction form
    10,561.55/15,841.10 = 2,770.97/x
  3. Step 3: Cross multiply
    10,561.55x = 15,841.10 × 2,770.97
  4. Step 4: Simplify right side
    10,561.55x = 43,895,140.59
  5. Step 5: Solve for x
    x = 43,895,140.59/10,561.55
  6. Step 6: Final answer
    x = 4,156.13

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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.