Home / 5,282.55-7,909.11-2,680.02

Finding the Fourth Proportional to 5,282.55, 7,909.11 and 2,680.02

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Solution

The fourth proportional to 5,282.55, 7,909.11 and 2,680.02 is: 4,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.55 : 7,909.11 = 2,680.02 : x
  2. Step 2: Convert to fraction form
    5,282.55/7,909.11 = 2,680.02/x
  3. Step 3: Cross multiply
    5,282.55x = 7,909.11 × 2,680.02
  4. Step 4: Simplify right side
    5,282.55x = 21,196,572.98
  5. Step 5: Solve for x
    x = 21,196,572.98/5,282.55
  6. Step 6: Final answer
    x = 4,012.56

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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.