Home / 8,770.27-13,155.22-2,847.15

Finding the Fourth Proportional to 8,770.27, 13,155.22 and 2,847.15

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Solution

The fourth proportional to 8,770.27, 13,155.22 and 2,847.15 is: 4,270.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.27 : 13,155.22 = 2,847.15 : x
  2. Step 2: Convert to fraction form
    8,770.27/13,155.22 = 2,847.15/x
  3. Step 3: Cross multiply
    8,770.27x = 13,155.22 × 2,847.15
  4. Step 4: Simplify right side
    8,770.27x = 37,454,860.85
  5. Step 5: Solve for x
    x = 37,454,860.85/8,770.27
  6. Step 6: Final answer
    x = 4,270.66

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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.