Home / 7,141.02-9,854.44-3,954.13

Finding the Fourth Proportional to 7,141.02, 9,854.44 and 3,954.13

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Solution

The fourth proportional to 7,141.02, 9,854.44 and 3,954.13 is: 5,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.02 : 9,854.44 = 3,954.13 : x
  2. Step 2: Convert to fraction form
    7,141.02/9,854.44 = 3,954.13/x
  3. Step 3: Cross multiply
    7,141.02x = 9,854.44 × 3,954.13
  4. Step 4: Simplify right side
    7,141.02x = 38,965,736.84
  5. Step 5: Solve for x
    x = 38,965,736.84/7,141.02
  6. Step 6: Final answer
    x = 5,456.61

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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.