Home / 4,738.28-7,109.25-1,964.24

Finding the Fourth Proportional to 4,738.28, 7,109.25 and 1,964.24

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Solution

The fourth proportional to 4,738.28, 7,109.25 and 1,964.24 is: 2,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.28 : 7,109.25 = 1,964.24 : x
  2. Step 2: Convert to fraction form
    4,738.28/7,109.25 = 1,964.24/x
  3. Step 3: Cross multiply
    4,738.28x = 7,109.25 × 1,964.24
  4. Step 4: Simplify right side
    4,738.28x = 13,964,227.85
  5. Step 5: Solve for x
    x = 13,964,227.85/4,738.28
  6. Step 6: Final answer
    x = 2,947.11

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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.