Home / 6,632.98-9,150.45-3,975.78

Finding the Fourth Proportional to 6,632.98, 9,150.45 and 3,975.78

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Solution

The fourth proportional to 6,632.98, 9,150.45 and 3,975.78 is: 5,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.98 : 9,150.45 = 3,975.78 : x
  2. Step 2: Convert to fraction form
    6,632.98/9,150.45 = 3,975.78/x
  3. Step 3: Cross multiply
    6,632.98x = 9,150.45 × 3,975.78
  4. Step 4: Simplify right side
    6,632.98x = 36,380,110.47
  5. Step 5: Solve for x
    x = 36,380,110.47/6,632.98
  6. Step 6: Final answer
    x = 5,484.73

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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.