Home / 8,360.68-12,536.22-2,515.56

Finding the Fourth Proportional to 8,360.68, 12,536.22 and 2,515.56

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Solution

The fourth proportional to 8,360.68, 12,536.22 and 2,515.56 is: 3,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.68 : 12,536.22 = 2,515.56 : x
  2. Step 2: Convert to fraction form
    8,360.68/12,536.22 = 2,515.56/x
  3. Step 3: Cross multiply
    8,360.68x = 12,536.22 × 2,515.56
  4. Step 4: Simplify right side
    8,360.68x = 31,535,613.58
  5. Step 5: Solve for x
    x = 31,535,613.58/8,360.68
  6. Step 6: Final answer
    x = 3,771.90

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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.