Home / 6,255.47-8,632.48-3,422.90

Finding the Fourth Proportional to 6,255.47, 8,632.48 and 3,422.90

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Solution

The fourth proportional to 6,255.47, 8,632.48 and 3,422.90 is: 4,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.47 : 8,632.48 = 3,422.90 : x
  2. Step 2: Convert to fraction form
    6,255.47/8,632.48 = 3,422.90/x
  3. Step 3: Cross multiply
    6,255.47x = 8,632.48 × 3,422.90
  4. Step 4: Simplify right side
    6,255.47x = 29,548,115.79
  5. Step 5: Solve for x
    x = 29,548,115.79/6,255.47
  6. Step 6: Final answer
    x = 4,723.56

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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.