Home / 7,167.36-10,757.19-3,423.76

Finding the Fourth Proportional to 7,167.36, 10,757.19 and 3,423.76

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Solution

The fourth proportional to 7,167.36, 10,757.19 and 3,423.76 is: 5,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.36 : 10,757.19 = 3,423.76 : x
  2. Step 2: Convert to fraction form
    7,167.36/10,757.19 = 3,423.76/x
  3. Step 3: Cross multiply
    7,167.36x = 10,757.19 × 3,423.76
  4. Step 4: Simplify right side
    7,167.36x = 36,830,002.84
  5. Step 5: Solve for x
    x = 36,830,002.84/7,167.36
  6. Step 6: Final answer
    x = 5,138.57

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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.