Home / 7,541.29-11,300.39-3,156.36

Finding the Fourth Proportional to 7,541.29, 11,300.39 and 3,156.36

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Solution

The fourth proportional to 7,541.29, 11,300.39 and 3,156.36 is: 4,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.29 : 11,300.39 = 3,156.36 : x
  2. Step 2: Convert to fraction form
    7,541.29/11,300.39 = 3,156.36/x
  3. Step 3: Cross multiply
    7,541.29x = 11,300.39 × 3,156.36
  4. Step 4: Simplify right side
    7,541.29x = 35,668,098.98
  5. Step 5: Solve for x
    x = 35,668,098.98/7,541.29
  6. Step 6: Final answer
    x = 4,729.71

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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.