Home / 6,149.20-9,221.04-1,765.68

Finding the Fourth Proportional to 6,149.20, 9,221.04 and 1,765.68

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Solution

The fourth proportional to 6,149.20, 9,221.04 and 1,765.68 is: 2,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.20 : 9,221.04 = 1,765.68 : x
  2. Step 2: Convert to fraction form
    6,149.20/9,221.04 = 1,765.68/x
  3. Step 3: Cross multiply
    6,149.20x = 9,221.04 × 1,765.68
  4. Step 4: Simplify right side
    6,149.20x = 16,281,405.91
  5. Step 5: Solve for x
    x = 16,281,405.91/6,149.20
  6. Step 6: Final answer
    x = 2,647.73

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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.