Home / 7,153.38-10,725.62-2,768.85

Finding the Fourth Proportional to 7,153.38, 10,725.62 and 2,768.85

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Solution

The fourth proportional to 7,153.38, 10,725.62 and 2,768.85 is: 4,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.38 : 10,725.62 = 2,768.85 : x
  2. Step 2: Convert to fraction form
    7,153.38/10,725.62 = 2,768.85/x
  3. Step 3: Cross multiply
    7,153.38x = 10,725.62 × 2,768.85
  4. Step 4: Simplify right side
    7,153.38x = 29,697,619.09
  5. Step 5: Solve for x
    x = 29,697,619.09/7,153.38
  6. Step 6: Final answer
    x = 4,151.55

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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.