Home / 8,815.65-13,223.52-3,553.08

Finding the Fourth Proportional to 8,815.65, 13,223.52 and 3,553.08

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Solution

The fourth proportional to 8,815.65, 13,223.52 and 3,553.08 is: 5,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.65 : 13,223.52 = 3,553.08 : x
  2. Step 2: Convert to fraction form
    8,815.65/13,223.52 = 3,553.08/x
  3. Step 3: Cross multiply
    8,815.65x = 13,223.52 × 3,553.08
  4. Step 4: Simplify right side
    8,815.65x = 46,984,224.44
  5. Step 5: Solve for x
    x = 46,984,224.44/8,815.65
  6. Step 6: Final answer
    x = 5,329.64

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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.