Home / 6,770.28-10,139.40-4,103.04

Finding the Fourth Proportional to 6,770.28, 10,139.40 and 4,103.04

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Solution

The fourth proportional to 6,770.28, 10,139.40 and 4,103.04 is: 6,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.28 : 10,139.40 = 4,103.04 : x
  2. Step 2: Convert to fraction form
    6,770.28/10,139.40 = 4,103.04/x
  3. Step 3: Cross multiply
    6,770.28x = 10,139.40 × 4,103.04
  4. Step 4: Simplify right side
    6,770.28x = 41,602,363.78
  5. Step 5: Solve for x
    x = 41,602,363.78/6,770.28
  6. Step 6: Final answer
    x = 6,144.85

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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.