Home / 8,255.24-12,386.10-3,635

Finding the Fourth Proportional to 8,255.24, 12,386.10 and 3,635

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Solution

The fourth proportional to 8,255.24, 12,386.10 and 3,635 is: 5,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.24 : 12,386.10 = 3,635 : x
  2. Step 2: Convert to fraction form
    8,255.24/12,386.10 = 3,635/x
  3. Step 3: Cross multiply
    8,255.24x = 12,386.10 × 3,635
  4. Step 4: Simplify right side
    8,255.24x = 45,023,473.50
  5. Step 5: Solve for x
    x = 45,023,473.50/8,255.24
  6. Step 6: Final answer
    x = 5,453.93

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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.