Home / 8,310.26-12,456.64-2,762.11

Finding the Fourth Proportional to 8,310.26, 12,456.64 and 2,762.11

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Solution

The fourth proportional to 8,310.26, 12,456.64 and 2,762.11 is: 4,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.26 : 12,456.64 = 2,762.11 : x
  2. Step 2: Convert to fraction form
    8,310.26/12,456.64 = 2,762.11/x
  3. Step 3: Cross multiply
    8,310.26x = 12,456.64 × 2,762.11
  4. Step 4: Simplify right side
    8,310.26x = 34,406,613.40
  5. Step 5: Solve for x
    x = 34,406,613.40/8,310.26
  6. Step 6: Final answer
    x = 4,140.26

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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.