Home / 8,419.06-12,634.23-2,947.06

Finding the Fourth Proportional to 8,419.06, 12,634.23 and 2,947.06

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Solution

The fourth proportional to 8,419.06, 12,634.23 and 2,947.06 is: 4,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.06 : 12,634.23 = 2,947.06 : x
  2. Step 2: Convert to fraction form
    8,419.06/12,634.23 = 2,947.06/x
  3. Step 3: Cross multiply
    8,419.06x = 12,634.23 × 2,947.06
  4. Step 4: Simplify right side
    8,419.06x = 37,233,833.86
  5. Step 5: Solve for x
    x = 37,233,833.86/8,419.06
  6. Step 6: Final answer
    x = 4,422.56

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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.