Home / 8,815.16-13,223.07-3,269.90

Finding the Fourth Proportional to 8,815.16, 13,223.07 and 3,269.90

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Solution

The fourth proportional to 8,815.16, 13,223.07 and 3,269.90 is: 4,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.16 : 13,223.07 = 3,269.90 : x
  2. Step 2: Convert to fraction form
    8,815.16/13,223.07 = 3,269.90/x
  3. Step 3: Cross multiply
    8,815.16x = 13,223.07 × 3,269.90
  4. Step 4: Simplify right side
    8,815.16x = 43,238,116.59
  5. Step 5: Solve for x
    x = 43,238,116.59/8,815.16
  6. Step 6: Final answer
    x = 4,904.97

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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.