Home / 8,170.74-12,257.95-2,976.57

Finding the Fourth Proportional to 8,170.74, 12,257.95 and 2,976.57

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Solution

The fourth proportional to 8,170.74, 12,257.95 and 2,976.57 is: 4,465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.74 : 12,257.95 = 2,976.57 : x
  2. Step 2: Convert to fraction form
    8,170.74/12,257.95 = 2,976.57/x
  3. Step 3: Cross multiply
    8,170.74x = 12,257.95 × 2,976.57
  4. Step 4: Simplify right side
    8,170.74x = 36,486,646.23
  5. Step 5: Solve for x
    x = 36,486,646.23/8,170.74
  6. Step 6: Final answer
    x = 4,465.53

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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.