Home / 6,632.42-9,149.67-3,975.21

Finding the Fourth Proportional to 6,632.42, 9,149.67 and 3,975.21

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Solution

The fourth proportional to 6,632.42, 9,149.67 and 3,975.21 is: 5,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.42 : 9,149.67 = 3,975.21 : x
  2. Step 2: Convert to fraction form
    6,632.42/9,149.67 = 3,975.21/x
  3. Step 3: Cross multiply
    6,632.42x = 9,149.67 × 3,975.21
  4. Step 4: Simplify right side
    6,632.42x = 36,371,859.68
  5. Step 5: Solve for x
    x = 36,371,859.68/6,632.42
  6. Step 6: Final answer
    x = 5,483.95

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Similar ratio
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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.