Home / 5,669.33-7,821.43-3,278.86

Finding the Fourth Proportional to 5,669.33, 7,821.43 and 3,278.86

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Solution

The fourth proportional to 5,669.33, 7,821.43 and 3,278.86 is: 4,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.33 : 7,821.43 = 3,278.86 : x
  2. Step 2: Convert to fraction form
    5,669.33/7,821.43 = 3,278.86/x
  3. Step 3: Cross multiply
    5,669.33x = 7,821.43 × 3,278.86
  4. Step 4: Simplify right side
    5,669.33x = 25,645,373.97
  5. Step 5: Solve for x
    x = 25,645,373.97/5,669.33
  6. Step 6: Final answer
    x = 4,523.53

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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.