Home / 6,529.13-9,010.20-3,876.72

Finding the Fourth Proportional to 6,529.13, 9,010.20 and 3,876.72

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Solution

The fourth proportional to 6,529.13, 9,010.20 and 3,876.72 is: 5,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,529.13 : 9,010.20 = 3,876.72 : x
  2. Step 2: Convert to fraction form
    6,529.13/9,010.20 = 3,876.72/x
  3. Step 3: Cross multiply
    6,529.13x = 9,010.20 × 3,876.72
  4. Step 4: Simplify right side
    6,529.13x = 34,930,022.54
  5. Step 5: Solve for x
    x = 34,930,022.54/6,529.13
  6. Step 6: Final answer
    x = 5,349.87

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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.