Home / 8,648.36-12,963.87-3,376.11

Finding the Fourth Proportional to 8,648.36, 12,963.87 and 3,376.11

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Solution

The fourth proportional to 8,648.36, 12,963.87 and 3,376.11 is: 5,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.36 : 12,963.87 = 3,376.11 : x
  2. Step 2: Convert to fraction form
    8,648.36/12,963.87 = 3,376.11/x
  3. Step 3: Cross multiply
    8,648.36x = 12,963.87 × 3,376.11
  4. Step 4: Simplify right side
    8,648.36x = 43,767,451.15
  5. Step 5: Solve for x
    x = 43,767,451.15/8,648.36
  6. Step 6: Final answer
    x = 5,060.78

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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.