Home / 8,154.66-12,228.86-3,471.70

Finding the Fourth Proportional to 8,154.66, 12,228.86 and 3,471.70

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Solution

The fourth proportional to 8,154.66, 12,228.86 and 3,471.70 is: 5,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.66 : 12,228.86 = 3,471.70 : x
  2. Step 2: Convert to fraction form
    8,154.66/12,228.86 = 3,471.70/x
  3. Step 3: Cross multiply
    8,154.66x = 12,228.86 × 3,471.70
  4. Step 4: Simplify right side
    8,154.66x = 42,454,933.26
  5. Step 5: Solve for x
    x = 42,454,933.26/8,154.66
  6. Step 6: Final answer
    x = 5,206.22

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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.