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Finding the Fourth Proportional to 7,167.36, 10,747.12 and 2,235.68

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Solution

The fourth proportional to 7,167.36, 10,747.12 and 2,235.68 is: 3,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.36 : 10,747.12 = 2,235.68 : x
  2. Step 2: Convert to fraction form
    7,167.36/10,747.12 = 2,235.68/x
  3. Step 3: Cross multiply
    7,167.36x = 10,747.12 × 2,235.68
  4. Step 4: Simplify right side
    7,167.36x = 24,027,121.24
  5. Step 5: Solve for x
    x = 24,027,121.24/7,167.36
  6. Step 6: Final answer
    x = 3,352.30

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1.5x scale

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.