Home / 7,321.18-10,103.26-4,177.30

Finding the Fourth Proportional to 7,321.18, 10,103.26 and 4,177.30

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Solution

The fourth proportional to 7,321.18, 10,103.26 and 4,177.30 is: 5,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.18 : 10,103.26 = 4,177.30 : x
  2. Step 2: Convert to fraction form
    7,321.18/10,103.26 = 4,177.30/x
  3. Step 3: Cross multiply
    7,321.18x = 10,103.26 × 4,177.30
  4. Step 4: Simplify right side
    7,321.18x = 42,204,348.00
  5. Step 5: Solve for x
    x = 42,204,348.00/7,321.18
  6. Step 6: Final answer
    x = 5,764.69

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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.