Home / 7,152.46-10,728.70-2,769.92

Finding the Fourth Proportional to 7,152.46, 10,728.70 and 2,769.92

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Solution

The fourth proportional to 7,152.46, 10,728.70 and 2,769.92 is: 4,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.46 : 10,728.70 = 2,769.92 : x
  2. Step 2: Convert to fraction form
    7,152.46/10,728.70 = 2,769.92/x
  3. Step 3: Cross multiply
    7,152.46x = 10,728.70 × 2,769.92
  4. Step 4: Simplify right side
    7,152.46x = 29,717,640.70
  5. Step 5: Solve for x
    x = 29,717,640.70/7,152.46
  6. Step 6: Final answer
    x = 4,154.88

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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.