Home / 5,709.18-8,557.92-3,238.78

Finding the Fourth Proportional to 5,709.18, 8,557.92 and 3,238.78

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Solution

The fourth proportional to 5,709.18, 8,557.92 and 3,238.78 is: 4,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.18 : 8,557.92 = 3,238.78 : x
  2. Step 2: Convert to fraction form
    5,709.18/8,557.92 = 3,238.78/x
  3. Step 3: Cross multiply
    5,709.18x = 8,557.92 × 3,238.78
  4. Step 4: Simplify right side
    5,709.18x = 27,717,185.44
  5. Step 5: Solve for x
    x = 27,717,185.44/5,709.18
  6. Step 6: Final answer
    x = 4,854.85

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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.