Home / 8,325.60-12,488.46-3,393.90

Finding the Fourth Proportional to 8,325.60, 12,488.46 and 3,393.90

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Solution

The fourth proportional to 8,325.60, 12,488.46 and 3,393.90 is: 5,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.60 : 12,488.46 = 3,393.90 : x
  2. Step 2: Convert to fraction form
    8,325.60/12,488.46 = 3,393.90/x
  3. Step 3: Cross multiply
    8,325.60x = 12,488.46 × 3,393.90
  4. Step 4: Simplify right side
    8,325.60x = 42,384,584.39
  5. Step 5: Solve for x
    x = 42,384,584.39/8,325.60
  6. Step 6: Final answer
    x = 5,090.87

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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.