Home / 5,329.10-7,989.75-2,553.38

Finding the Fourth Proportional to 5,329.10, 7,989.75 and 2,553.38

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Solution

The fourth proportional to 5,329.10, 7,989.75 and 2,553.38 is: 3,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.10 : 7,989.75 = 2,553.38 : x
  2. Step 2: Convert to fraction form
    5,329.10/7,989.75 = 2,553.38/x
  3. Step 3: Cross multiply
    5,329.10x = 7,989.75 × 2,553.38
  4. Step 4: Simplify right side
    5,329.10x = 20,400,867.86
  5. Step 5: Solve for x
    x = 20,400,867.86/5,329.10
  6. Step 6: Final answer
    x = 3,828.20

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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.