Home / 6,494.72-9,726.13-4,147.79

Finding the Fourth Proportional to 6,494.72, 9,726.13 and 4,147.79

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Solution

The fourth proportional to 6,494.72, 9,726.13 and 4,147.79 is: 6,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,494.72 : 9,726.13 = 4,147.79 : x
  2. Step 2: Convert to fraction form
    6,494.72/9,726.13 = 4,147.79/x
  3. Step 3: Cross multiply
    6,494.72x = 9,726.13 × 4,147.79
  4. Step 4: Simplify right side
    6,494.72x = 40,341,932.68
  5. Step 5: Solve for x
    x = 40,341,932.68/6,494.72
  6. Step 6: Final answer
    x = 6,211.50

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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.