Home / 7,158.96-10,738.74-1,964.76

Finding the Fourth Proportional to 7,158.96, 10,738.74 and 1,964.76

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Solution

The fourth proportional to 7,158.96, 10,738.74 and 1,964.76 is: 2,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.96 : 10,738.74 = 1,964.76 : x
  2. Step 2: Convert to fraction form
    7,158.96/10,738.74 = 1,964.76/x
  3. Step 3: Cross multiply
    7,158.96x = 10,738.74 × 1,964.76
  4. Step 4: Simplify right side
    7,158.96x = 21,099,046.80
  5. Step 5: Solve for x
    x = 21,099,046.80/7,158.96
  6. Step 6: Final answer
    x = 2,947.22

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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.