Home / 6,905.62-10,351.19-3,390.76

Finding the Fourth Proportional to 6,905.62, 10,351.19 and 3,390.76

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Solution

The fourth proportional to 6,905.62, 10,351.19 and 3,390.76 is: 5,082.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.62 : 10,351.19 = 3,390.76 : x
  2. Step 2: Convert to fraction form
    6,905.62/10,351.19 = 3,390.76/x
  3. Step 3: Cross multiply
    6,905.62x = 10,351.19 × 3,390.76
  4. Step 4: Simplify right side
    6,905.62x = 35,098,422.42
  5. Step 5: Solve for x
    x = 35,098,422.42/6,905.62
  6. Step 6: Final answer
    x = 5,082.59

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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.