Home / 6,280.38-8,666.04-3,761.90

Finding the Fourth Proportional to 6,280.38, 8,666.04 and 3,761.90

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Solution

The fourth proportional to 6,280.38, 8,666.04 and 3,761.90 is: 5,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.38 : 8,666.04 = 3,761.90 : x
  2. Step 2: Convert to fraction form
    6,280.38/8,666.04 = 3,761.90/x
  3. Step 3: Cross multiply
    6,280.38x = 8,666.04 × 3,761.90
  4. Step 4: Simplify right side
    6,280.38x = 32,600,775.88
  5. Step 5: Solve for x
    x = 32,600,775.88/6,280.38
  6. Step 6: Final answer
    x = 5,190.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.