Home / 8,824.40-13,236.42-3,559.30

Finding the Fourth Proportional to 8,824.40, 13,236.42 and 3,559.30

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Solution

The fourth proportional to 8,824.40, 13,236.42 and 3,559.30 is: 5,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.40 : 13,236.42 = 3,559.30 : x
  2. Step 2: Convert to fraction form
    8,824.40/13,236.42 = 3,559.30/x
  3. Step 3: Cross multiply
    8,824.40x = 13,236.42 × 3,559.30
  4. Step 4: Simplify right side
    8,824.40x = 47,112,397.18
  5. Step 5: Solve for x
    x = 47,112,397.18/8,824.40
  6. Step 6: Final answer
    x = 5,338.88

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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.