Home / 7,128.27-10,694.16-2,746.04

Finding the Fourth Proportional to 7,128.27, 10,694.16 and 2,746.04

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Solution

The fourth proportional to 7,128.27, 10,694.16 and 2,746.04 is: 4,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128.27 : 10,694.16 = 2,746.04 : x
  2. Step 2: Convert to fraction form
    7,128.27/10,694.16 = 2,746.04/x
  3. Step 3: Cross multiply
    7,128.27x = 10,694.16 × 2,746.04
  4. Step 4: Simplify right side
    7,128.27x = 29,366,537.66
  5. Step 5: Solve for x
    x = 29,366,537.66/7,128.27
  6. Step 6: Final answer
    x = 4,119.73

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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.