Home / 5,217.09-7,822.80-2,402.88

Finding the Fourth Proportional to 5,217.09, 7,822.80 and 2,402.88

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Solution

The fourth proportional to 5,217.09, 7,822.80 and 2,402.88 is: 3,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.09 : 7,822.80 = 2,402.88 : x
  2. Step 2: Convert to fraction form
    5,217.09/7,822.80 = 2,402.88/x
  3. Step 3: Cross multiply
    5,217.09x = 7,822.80 × 2,402.88
  4. Step 4: Simplify right side
    5,217.09x = 18,797,249.66
  5. Step 5: Solve for x
    x = 18,797,249.66/5,217.09
  6. Step 6: Final answer
    x = 3,603.01

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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.