Home / 5,028.45-6,947.61-3,974.30

Finding the Fourth Proportional to 5,028.45, 6,947.61 and 3,974.30

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Solution

The fourth proportional to 5,028.45, 6,947.61 and 3,974.30 is: 5,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.45 : 6,947.61 = 3,974.30 : x
  2. Step 2: Convert to fraction form
    5,028.45/6,947.61 = 3,974.30/x
  3. Step 3: Cross multiply
    5,028.45x = 6,947.61 × 3,974.30
  4. Step 4: Simplify right side
    5,028.45x = 27,611,851.68
  5. Step 5: Solve for x
    x = 27,611,851.68/5,028.45
  6. Step 6: Final answer
    x = 5,491.13

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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.