Home / 4,822.40-7,229.55-2,513.90

Finding the Fourth Proportional to 4,822.40, 7,229.55 and 2,513.90

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Solution

The fourth proportional to 4,822.40, 7,229.55 and 2,513.90 is: 3,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.40 : 7,229.55 = 2,513.90 : x
  2. Step 2: Convert to fraction form
    4,822.40/7,229.55 = 2,513.90/x
  3. Step 3: Cross multiply
    4,822.40x = 7,229.55 × 2,513.90
  4. Step 4: Simplify right side
    4,822.40x = 18,174,365.75
  5. Step 5: Solve for x
    x = 18,174,365.75/4,822.40
  6. Step 6: Final answer
    x = 3,768.74

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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.