Home / 7,078.24-10,617.71-2,696.04

Finding the Fourth Proportional to 7,078.24, 10,617.71 and 2,696.04

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Solution

The fourth proportional to 7,078.24, 10,617.71 and 2,696.04 is: 4,044.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.24 : 10,617.71 = 2,696.04 : x
  2. Step 2: Convert to fraction form
    7,078.24/10,617.71 = 2,696.04/x
  3. Step 3: Cross multiply
    7,078.24x = 10,617.71 × 2,696.04
  4. Step 4: Simplify right side
    7,078.24x = 28,625,770.87
  5. Step 5: Solve for x
    x = 28,625,770.87/7,078.24
  6. Step 6: Final answer
    x = 4,044.19

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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.