Home / 7,331.62-10,117.56-4,144.85

Finding the Fourth Proportional to 7,331.62, 10,117.56 and 4,144.85

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Solution

The fourth proportional to 7,331.62, 10,117.56 and 4,144.85 is: 5,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.62 : 10,117.56 = 4,144.85 : x
  2. Step 2: Convert to fraction form
    7,331.62/10,117.56 = 4,144.85/x
  3. Step 3: Cross multiply
    7,331.62x = 10,117.56 × 4,144.85
  4. Step 4: Simplify right side
    7,331.62x = 41,935,768.57
  5. Step 5: Solve for x
    x = 41,935,768.57/7,331.62
  6. Step 6: Final answer
    x = 5,719.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.