Home / 5,555.82-8,324.50-3,908.91

Finding the Fourth Proportional to 5,555.82, 8,324.50 and 3,908.91

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Solution

The fourth proportional to 5,555.82, 8,324.50 and 3,908.91 is: 5,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.82 : 8,324.50 = 3,908.91 : x
  2. Step 2: Convert to fraction form
    5,555.82/8,324.50 = 3,908.91/x
  3. Step 3: Cross multiply
    5,555.82x = 8,324.50 × 3,908.91
  4. Step 4: Simplify right side
    5,555.82x = 32,539,721.30
  5. Step 5: Solve for x
    x = 32,539,721.30/5,555.82
  6. Step 6: Final answer
    x = 5,856.87

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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.