Home / 7,601.40-11,387.22-6,775.80

Finding the Fourth Proportional to 7,601.40, 11,387.22 and 6,775.80

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Solution

The fourth proportional to 7,601.40, 11,387.22 and 6,775.80 is: 10,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.40 : 11,387.22 = 6,775.80 : x
  2. Step 2: Convert to fraction form
    7,601.40/11,387.22 = 6,775.80/x
  3. Step 3: Cross multiply
    7,601.40x = 11,387.22 × 6,775.80
  4. Step 4: Simplify right side
    7,601.40x = 77,157,525.28
  5. Step 5: Solve for x
    x = 77,157,525.28/7,601.40
  6. Step 6: Final answer
    x = 10,150.44

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Similar ratio
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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.