Home / 6,149.68-9,221.80-1,766.12

Finding the Fourth Proportional to 6,149.68, 9,221.80 and 1,766.12

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Solution

The fourth proportional to 6,149.68, 9,221.80 and 1,766.12 is: 2,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.68 : 9,221.80 = 1,766.12 : x
  2. Step 2: Convert to fraction form
    6,149.68/9,221.80 = 1,766.12/x
  3. Step 3: Cross multiply
    6,149.68x = 9,221.80 × 1,766.12
  4. Step 4: Simplify right side
    6,149.68x = 16,286,805.42
  5. Step 5: Solve for x
    x = 16,286,805.42/6,149.68
  6. Step 6: Final answer
    x = 2,648.40

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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.