Home / 7,146.02-10,721.92-3,252.26

Finding the Fourth Proportional to 7,146.02, 10,721.92 and 3,252.26

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Solution

The fourth proportional to 7,146.02, 10,721.92 and 3,252.26 is: 4,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.02 : 10,721.92 = 3,252.26 : x
  2. Step 2: Convert to fraction form
    7,146.02/10,721.92 = 3,252.26/x
  3. Step 3: Cross multiply
    7,146.02x = 10,721.92 × 3,252.26
  4. Step 4: Simplify right side
    7,146.02x = 34,870,471.54
  5. Step 5: Solve for x
    x = 34,870,471.54/7,146.02
  6. Step 6: Final answer
    x = 4,879.71

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1.5x scale

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.