Home / 8,947.16-13,416.24-3,102.20

Finding the Fourth Proportional to 8,947.16, 13,416.24 and 3,102.20

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Solution

The fourth proportional to 8,947.16, 13,416.24 and 3,102.20 is: 4,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.16 : 13,416.24 = 3,102.20 : x
  2. Step 2: Convert to fraction form
    8,947.16/13,416.24 = 3,102.20/x
  3. Step 3: Cross multiply
    8,947.16x = 13,416.24 × 3,102.20
  4. Step 4: Simplify right side
    8,947.16x = 41,619,859.73
  5. Step 5: Solve for x
    x = 41,619,859.73/8,947.16
  6. Step 6: Final answer
    x = 4,651.74

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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.