Home / 3,959.40-5,471.21-3,767.26

Finding the Fourth Proportional to 3,959.40, 5,471.21 and 3,767.26

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Solution

The fourth proportional to 3,959.40, 5,471.21 and 3,767.26 is: 5,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.40 : 5,471.21 = 3,767.26 : x
  2. Step 2: Convert to fraction form
    3,959.40/5,471.21 = 3,767.26/x
  3. Step 3: Cross multiply
    3,959.40x = 5,471.21 × 3,767.26
  4. Step 4: Simplify right side
    3,959.40x = 20,611,424.39
  5. Step 5: Solve for x
    x = 20,611,424.39/3,959.40
  6. Step 6: Final answer
    x = 5,205.69

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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.