Home / 5,104.89-7,655.85-2,143.24

Finding the Fourth Proportional to 5,104.89, 7,655.85 and 2,143.24

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Solution

The fourth proportional to 5,104.89, 7,655.85 and 2,143.24 is: 3,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.89 : 7,655.85 = 2,143.24 : x
  2. Step 2: Convert to fraction form
    5,104.89/7,655.85 = 2,143.24/x
  3. Step 3: Cross multiply
    5,104.89x = 7,655.85 × 2,143.24
  4. Step 4: Simplify right side
    5,104.89x = 16,408,304.81
  5. Step 5: Solve for x
    x = 16,408,304.81/5,104.89
  6. Step 6: Final answer
    x = 3,214.23

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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.