Home / 8,811.48-13,217.22-3,613.71

Finding the Fourth Proportional to 8,811.48, 13,217.22 and 3,613.71

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Solution

The fourth proportional to 8,811.48, 13,217.22 and 3,613.71 is: 5,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.48 : 13,217.22 = 3,613.71 : x
  2. Step 2: Convert to fraction form
    8,811.48/13,217.22 = 3,613.71/x
  3. Step 3: Cross multiply
    8,811.48x = 13,217.22 × 3,613.71
  4. Step 4: Simplify right side
    8,811.48x = 47,763,200.09
  5. Step 5: Solve for x
    x = 47,763,200.09/8,811.48
  6. Step 6: Final answer
    x = 5,420.57

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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.