Home / 6,613.28-9,125.76-3,628.88

Finding the Fourth Proportional to 6,613.28, 9,125.76 and 3,628.88

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Solution

The fourth proportional to 6,613.28, 9,125.76 and 3,628.88 is: 5,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.28 : 9,125.76 = 3,628.88 : x
  2. Step 2: Convert to fraction form
    6,613.28/9,125.76 = 3,628.88/x
  3. Step 3: Cross multiply
    6,613.28x = 9,125.76 × 3,628.88
  4. Step 4: Simplify right side
    6,613.28x = 33,116,287.95
  5. Step 5: Solve for x
    x = 33,116,287.95/6,613.28
  6. Step 6: Final answer
    x = 5,007.54

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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.