Home / 8,677.20-13,015.80-2,834.16

Finding the Fourth Proportional to 8,677.20, 13,015.80 and 2,834.16

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Solution

The fourth proportional to 8,677.20, 13,015.80 and 2,834.16 is: 4,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.20 : 13,015.80 = 2,834.16 : x
  2. Step 2: Convert to fraction form
    8,677.20/13,015.80 = 2,834.16/x
  3. Step 3: Cross multiply
    8,677.20x = 13,015.80 × 2,834.16
  4. Step 4: Simplify right side
    8,677.20x = 36,888,859.73
  5. Step 5: Solve for x
    x = 36,888,859.73/8,677.20
  6. Step 6: Final answer
    x = 4,251.24

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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.