Home / 6,613.12-9,125.53-3,628.95

Finding the Fourth Proportional to 6,613.12, 9,125.53 and 3,628.95

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Solution

The fourth proportional to 6,613.12, 9,125.53 and 3,628.95 is: 5,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.12 : 9,125.53 = 3,628.95 : x
  2. Step 2: Convert to fraction form
    6,613.12/9,125.53 = 3,628.95/x
  3. Step 3: Cross multiply
    6,613.12x = 9,125.53 × 3,628.95
  4. Step 4: Simplify right side
    6,613.12x = 33,116,092.09
  5. Step 5: Solve for x
    x = 33,116,092.09/6,613.12
  6. Step 6: Final answer
    x = 5,007.64

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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.