Home / 8,180.40-12,267.50-3,497.48

Finding the Fourth Proportional to 8,180.40, 12,267.50 and 3,497.48

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Solution

The fourth proportional to 8,180.40, 12,267.50 and 3,497.48 is: 5,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.40 : 12,267.50 = 3,497.48 : x
  2. Step 2: Convert to fraction form
    8,180.40/12,267.50 = 3,497.48/x
  3. Step 3: Cross multiply
    8,180.40x = 12,267.50 × 3,497.48
  4. Step 4: Simplify right side
    8,180.40x = 42,905,257.08
  5. Step 5: Solve for x
    x = 42,905,257.08/8,180.40
  6. Step 6: Final answer
    x = 5,244.88

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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.