Home / 6,747.30-10,108.80-6,340.68

Finding the Fourth Proportional to 6,747.30, 10,108.80 and 6,340.68

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Solution

The fourth proportional to 6,747.30, 10,108.80 and 6,340.68 is: 9,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.30 : 10,108.80 = 6,340.68 : x
  2. Step 2: Convert to fraction form
    6,747.30/10,108.80 = 6,340.68/x
  3. Step 3: Cross multiply
    6,747.30x = 10,108.80 × 6,340.68
  4. Step 4: Simplify right side
    6,747.30x = 64,096,665.98
  5. Step 5: Solve for x
    x = 64,096,665.98/6,747.30
  6. Step 6: Final answer
    x = 9,499.60

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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.