Home / 5,329.45-7,355.17-3,982.72

Finding the Fourth Proportional to 5,329.45, 7,355.17 and 3,982.72

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Solution

The fourth proportional to 5,329.45, 7,355.17 and 3,982.72 is: 5,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.45 : 7,355.17 = 3,982.72 : x
  2. Step 2: Convert to fraction form
    5,329.45/7,355.17 = 3,982.72/x
  3. Step 3: Cross multiply
    5,329.45x = 7,355.17 × 3,982.72
  4. Step 4: Simplify right side
    5,329.45x = 29,293,582.66
  5. Step 5: Solve for x
    x = 29,293,582.66/5,329.45
  6. Step 6: Final answer
    x = 5,496.55

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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.