Home / 5,229.91-7,215.86-3,103.67

Finding the Fourth Proportional to 5,229.91, 7,215.86 and 3,103.67

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Solution

The fourth proportional to 5,229.91, 7,215.86 and 3,103.67 is: 4,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.91 : 7,215.86 = 3,103.67 : x
  2. Step 2: Convert to fraction form
    5,229.91/7,215.86 = 3,103.67/x
  3. Step 3: Cross multiply
    5,229.91x = 7,215.86 × 3,103.67
  4. Step 4: Simplify right side
    5,229.91x = 22,395,648.21
  5. Step 5: Solve for x
    x = 22,395,648.21/5,229.91
  6. Step 6: Final answer
    x = 4,282.23

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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.