Home / 4,253.12-6,379.68-1,175.12

Finding the Fourth Proportional to 4,253.12, 6,379.68 and 1,175.12

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Solution

The fourth proportional to 4,253.12, 6,379.68 and 1,175.12 is: 1,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.12 : 6,379.68 = 1,175.12 : x
  2. Step 2: Convert to fraction form
    4,253.12/6,379.68 = 1,175.12/x
  3. Step 3: Cross multiply
    4,253.12x = 6,379.68 × 1,175.12
  4. Step 4: Simplify right side
    4,253.12x = 7,496,889.56
  5. Step 5: Solve for x
    x = 7,496,889.56/4,253.12
  6. Step 6: Final answer
    x = 1,762.68

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Similar ratio
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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.