Home / 6,760.20-10,140.30-6,349.80

Finding the Fourth Proportional to 6,760.20, 10,140.30 and 6,349.80

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Solution

The fourth proportional to 6,760.20, 10,140.30 and 6,349.80 is: 9,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.20 : 10,140.30 = 6,349.80 : x
  2. Step 2: Convert to fraction form
    6,760.20/10,140.30 = 6,349.80/x
  3. Step 3: Cross multiply
    6,760.20x = 10,140.30 × 6,349.80
  4. Step 4: Simplify right side
    6,760.20x = 64,388,876.94
  5. Step 5: Solve for x
    x = 64,388,876.94/6,760.20
  6. Step 6: Final answer
    x = 9,524.70

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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.