Home / 6,902.20-10,337.10-4,277.80

Finding the Fourth Proportional to 6,902.20, 10,337.10 and 4,277.80

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Solution

The fourth proportional to 6,902.20, 10,337.10 and 4,277.80 is: 6,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.20 : 10,337.10 = 4,277.80 : x
  2. Step 2: Convert to fraction form
    6,902.20/10,337.10 = 4,277.80/x
  3. Step 3: Cross multiply
    6,902.20x = 10,337.10 × 4,277.80
  4. Step 4: Simplify right side
    6,902.20x = 44,220,046.38
  5. Step 5: Solve for x
    x = 44,220,046.38/6,902.20
  6. Step 6: Final answer
    x = 6,406.66

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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.