Home / 8,406.18-12,600.05-3,473.15

Finding the Fourth Proportional to 8,406.18, 12,600.05 and 3,473.15

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Solution

The fourth proportional to 8,406.18, 12,600.05 and 3,473.15 is: 5,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.18 : 12,600.05 = 3,473.15 : x
  2. Step 2: Convert to fraction form
    8,406.18/12,600.05 = 3,473.15/x
  3. Step 3: Cross multiply
    8,406.18x = 12,600.05 × 3,473.15
  4. Step 4: Simplify right side
    8,406.18x = 43,761,783.29
  5. Step 5: Solve for x
    x = 43,761,783.29/8,406.18
  6. Step 6: Final answer
    x = 5,205.91

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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.