Home / 8,744.20-13,112.52-3,478.36

Finding the Fourth Proportional to 8,744.20, 13,112.52 and 3,478.36

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Solution

The fourth proportional to 8,744.20, 13,112.52 and 3,478.36 is: 5,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.20 : 13,112.52 = 3,478.36 : x
  2. Step 2: Convert to fraction form
    8,744.20/13,112.52 = 3,478.36/x
  3. Step 3: Cross multiply
    8,744.20x = 13,112.52 × 3,478.36
  4. Step 4: Simplify right side
    8,744.20x = 45,610,065.07
  5. Step 5: Solve for x
    x = 45,610,065.07/8,744.20
  6. Step 6: Final answer
    x = 5,216.04

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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.