Home / 8,822.40-13,224-3,626.88

Finding the Fourth Proportional to 8,822.40, 13,224 and 3,626.88

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Solution

The fourth proportional to 8,822.40, 13,224 and 3,626.88 is: 5,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.40 : 13,224 = 3,626.88 : x
  2. Step 2: Convert to fraction form
    8,822.40/13,224 = 3,626.88/x
  3. Step 3: Cross multiply
    8,822.40x = 13,224 × 3,626.88
  4. Step 4: Simplify right side
    8,822.40x = 47,961,861.12
  5. Step 5: Solve for x
    x = 47,961,861.12/8,822.40
  6. Step 6: Final answer
    x = 5,436.37

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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.