Home / 8,791.04-13,186.53-2,217.28

Finding the Fourth Proportional to 8,791.04, 13,186.53 and 2,217.28

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Solution

The fourth proportional to 8,791.04, 13,186.53 and 2,217.28 is: 3,325.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.04 : 13,186.53 = 2,217.28 : x
  2. Step 2: Convert to fraction form
    8,791.04/13,186.53 = 2,217.28/x
  3. Step 3: Cross multiply
    8,791.04x = 13,186.53 × 2,217.28
  4. Step 4: Simplify right side
    8,791.04x = 29,238,196.27
  5. Step 5: Solve for x
    x = 29,238,196.27/8,791.04
  6. Step 6: Final answer
    x = 3,325.91

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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.