Home / 7,152.20-10,727.24-2,769.11

Finding the Fourth Proportional to 7,152.20, 10,727.24 and 2,769.11

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Solution

The fourth proportional to 7,152.20, 10,727.24 and 2,769.11 is: 4,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.20 : 10,727.24 = 2,769.11 : x
  2. Step 2: Convert to fraction form
    7,152.20/10,727.24 = 2,769.11/x
  3. Step 3: Cross multiply
    7,152.20x = 10,727.24 × 2,769.11
  4. Step 4: Simplify right side
    7,152.20x = 29,704,840.07
  5. Step 5: Solve for x
    x = 29,704,840.07/7,152.20
  6. Step 6: Final answer
    x = 4,153.25

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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.