Home / 8,813.28-13,211.42-3,265.12

Finding the Fourth Proportional to 8,813.28, 13,211.42 and 3,265.12

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Solution

The fourth proportional to 8,813.28, 13,211.42 and 3,265.12 is: 4,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.28 : 13,211.42 = 3,265.12 : x
  2. Step 2: Convert to fraction form
    8,813.28/13,211.42 = 3,265.12/x
  3. Step 3: Cross multiply
    8,813.28x = 13,211.42 × 3,265.12
  4. Step 4: Simplify right side
    8,813.28x = 43,136,871.67
  5. Step 5: Solve for x
    x = 43,136,871.67/8,813.28
  6. Step 6: Final answer
    x = 4,894.53

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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.