Home / 5,229.40-7,833.18-3,929.08

Finding the Fourth Proportional to 5,229.40, 7,833.18 and 3,929.08

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Solution

The fourth proportional to 5,229.40, 7,833.18 and 3,929.08 is: 5,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.40 : 7,833.18 = 3,929.08 : x
  2. Step 2: Convert to fraction form
    5,229.40/7,833.18 = 3,929.08/x
  3. Step 3: Cross multiply
    5,229.40x = 7,833.18 × 3,929.08
  4. Step 4: Simplify right side
    5,229.40x = 30,777,190.87
  5. Step 5: Solve for x
    x = 30,777,190.87/5,229.40
  6. Step 6: Final answer
    x = 5,885.42

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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.