Home / 6,613.09-9,125.97-3,780.43

Finding the Fourth Proportional to 6,613.09, 9,125.97 and 3,780.43

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Solution

The fourth proportional to 6,613.09, 9,125.97 and 3,780.43 is: 5,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.09 : 9,125.97 = 3,780.43 : x
  2. Step 2: Convert to fraction form
    6,613.09/9,125.97 = 3,780.43/x
  3. Step 3: Cross multiply
    6,613.09x = 9,125.97 × 3,780.43
  4. Step 4: Simplify right side
    6,613.09x = 34,500,090.77
  5. Step 5: Solve for x
    x = 34,500,090.77/6,613.09
  6. Step 6: Final answer
    x = 5,216.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.