Home / 8,947.22-13,422.60-2,707.56

Finding the Fourth Proportional to 8,947.22, 13,422.60 and 2,707.56

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Solution

The fourth proportional to 8,947.22, 13,422.60 and 2,707.56 is: 4,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.22 : 13,422.60 = 2,707.56 : x
  2. Step 2: Convert to fraction form
    8,947.22/13,422.60 = 2,707.56/x
  3. Step 3: Cross multiply
    8,947.22x = 13,422.60 × 2,707.56
  4. Step 4: Simplify right side
    8,947.22x = 36,342,494.86
  5. Step 5: Solve for x
    x = 36,342,494.86/8,947.22
  6. Step 6: Final answer
    x = 4,061.88

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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.