Home / 7,209.60-10,815.12-2,592

Finding the Fourth Proportional to 7,209.60, 10,815.12 and 2,592

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Solution

The fourth proportional to 7,209.60, 10,815.12 and 2,592 is: 3,888.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.60 : 10,815.12 = 2,592 : x
  2. Step 2: Convert to fraction form
    7,209.60/10,815.12 = 2,592/x
  3. Step 3: Cross multiply
    7,209.60x = 10,815.12 × 2,592
  4. Step 4: Simplify right side
    7,209.60x = 28,032,791.04
  5. Step 5: Solve for x
    x = 28,032,791.04/7,209.60
  6. Step 6: Final answer
    x = 3,888.26

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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.