Home / 6,613.29-9,910.92-3,328.64

Finding the Fourth Proportional to 6,613.29, 9,910.92 and 3,328.64

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Solution

The fourth proportional to 6,613.29, 9,910.92 and 3,328.64 is: 4,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.29 : 9,910.92 = 3,328.64 : x
  2. Step 2: Convert to fraction form
    6,613.29/9,910.92 = 3,328.64/x
  3. Step 3: Cross multiply
    6,613.29x = 9,910.92 × 3,328.64
  4. Step 4: Simplify right side
    6,613.29x = 32,989,884.75
  5. Step 5: Solve for x
    x = 32,989,884.75/6,613.29
  6. Step 6: Final answer
    x = 4,988.42

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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.