Home / 7,397.10-10,192.23-5,718.78

Finding the Fourth Proportional to 7,397.10, 10,192.23 and 5,718.78

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Solution

The fourth proportional to 7,397.10, 10,192.23 and 5,718.78 is: 7,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.10 : 10,192.23 = 5,718.78 : x
  2. Step 2: Convert to fraction form
    7,397.10/10,192.23 = 5,718.78/x
  3. Step 3: Cross multiply
    7,397.10x = 10,192.23 × 5,718.78
  4. Step 4: Simplify right side
    7,397.10x = 58,287,121.08
  5. Step 5: Solve for x
    x = 58,287,121.08/7,397.10
  6. Step 6: Final answer
    x = 7,879.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.