Home / 7,959.74-11,939.61-3,028.20

Finding the Fourth Proportional to 7,959.74, 11,939.61 and 3,028.20

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Solution

The fourth proportional to 7,959.74, 11,939.61 and 3,028.20 is: 4,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.74 : 11,939.61 = 3,028.20 : x
  2. Step 2: Convert to fraction form
    7,959.74/11,939.61 = 3,028.20/x
  3. Step 3: Cross multiply
    7,959.74x = 11,939.61 × 3,028.20
  4. Step 4: Simplify right side
    7,959.74x = 36,155,527.00
  5. Step 5: Solve for x
    x = 36,155,527.00/7,959.74
  6. Step 6: Final answer
    x = 4,542.30

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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.