Home / 6,739.52-9,294.72-4,380.80

Finding the Fourth Proportional to 6,739.52, 9,294.72 and 4,380.80

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Solution

The fourth proportional to 6,739.52, 9,294.72 and 4,380.80 is: 6,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.52 : 9,294.72 = 4,380.80 : x
  2. Step 2: Convert to fraction form
    6,739.52/9,294.72 = 4,380.80/x
  3. Step 3: Cross multiply
    6,739.52x = 9,294.72 × 4,380.80
  4. Step 4: Simplify right side
    6,739.52x = 40,718,309.38
  5. Step 5: Solve for x
    x = 40,718,309.38/6,739.52
  6. Step 6: Final answer
    x = 6,041.72

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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.