Home / 8,154.41-12,227.36-3,988.17

Finding the Fourth Proportional to 8,154.41, 12,227.36 and 3,988.17

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Solution

The fourth proportional to 8,154.41, 12,227.36 and 3,988.17 is: 5,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.41 : 12,227.36 = 3,988.17 : x
  2. Step 2: Convert to fraction form
    8,154.41/12,227.36 = 3,988.17/x
  3. Step 3: Cross multiply
    8,154.41x = 12,227.36 × 3,988.17
  4. Step 4: Simplify right side
    8,154.41x = 48,764,770.39
  5. Step 5: Solve for x
    x = 48,764,770.39/8,154.41
  6. Step 6: Final answer
    x = 5,980.18

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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.