Home / 7,132.94-10,696.29-3,385.79

Finding the Fourth Proportional to 7,132.94, 10,696.29 and 3,385.79

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Solution

The fourth proportional to 7,132.94, 10,696.29 and 3,385.79 is: 5,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.94 : 10,696.29 = 3,385.79 : x
  2. Step 2: Convert to fraction form
    7,132.94/10,696.29 = 3,385.79/x
  3. Step 3: Cross multiply
    7,132.94x = 10,696.29 × 3,385.79
  4. Step 4: Simplify right side
    7,132.94x = 36,215,391.72
  5. Step 5: Solve for x
    x = 36,215,391.72/7,132.94
  6. Step 6: Final answer
    x = 5,077.20

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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.