Home / 6,147.74-9,221.61-1,765.23

Finding the Fourth Proportional to 6,147.74, 9,221.61 and 1,765.23

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Solution

The fourth proportional to 6,147.74, 9,221.61 and 1,765.23 is: 2,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.74 : 9,221.61 = 1,765.23 : x
  2. Step 2: Convert to fraction form
    6,147.74/9,221.61 = 1,765.23/x
  3. Step 3: Cross multiply
    6,147.74x = 9,221.61 × 1,765.23
  4. Step 4: Simplify right side
    6,147.74x = 16,278,262.62
  5. Step 5: Solve for x
    x = 16,278,262.62/6,147.74
  6. Step 6: Final answer
    x = 2,647.85

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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.