Home / 5,251-7,877.40-2,329.24

Finding the Fourth Proportional to 5,251, 7,877.40 and 2,329.24

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Solution

The fourth proportional to 5,251, 7,877.40 and 2,329.24 is: 3,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251 : 7,877.40 = 2,329.24 : x
  2. Step 2: Convert to fraction form
    5,251/7,877.40 = 2,329.24/x
  3. Step 3: Cross multiply
    5,251x = 7,877.40 × 2,329.24
  4. Step 4: Simplify right side
    5,251x = 18,348,355.18
  5. Step 5: Solve for x
    x = 18,348,355.18/5,251
  6. Step 6: Final answer
    x = 3,494.26

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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.