Home / 8,365.32-12,553.92-3,439.44

Finding the Fourth Proportional to 8,365.32, 12,553.92 and 3,439.44

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Solution

The fourth proportional to 8,365.32, 12,553.92 and 3,439.44 is: 5,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.32 : 12,553.92 = 3,439.44 : x
  2. Step 2: Convert to fraction form
    8,365.32/12,553.92 = 3,439.44/x
  3. Step 3: Cross multiply
    8,365.32x = 12,553.92 × 3,439.44
  4. Step 4: Simplify right side
    8,365.32x = 43,178,454.60
  5. Step 5: Solve for x
    x = 43,178,454.60/8,365.32
  6. Step 6: Final answer
    x = 5,161.60

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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.