Home / 5,180.41-7,148.97-2,822.56

Finding the Fourth Proportional to 5,180.41, 7,148.97 and 2,822.56

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Solution

The fourth proportional to 5,180.41, 7,148.97 and 2,822.56 is: 3,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.41 : 7,148.97 = 2,822.56 : x
  2. Step 2: Convert to fraction form
    5,180.41/7,148.97 = 2,822.56/x
  3. Step 3: Cross multiply
    5,180.41x = 7,148.97 × 2,822.56
  4. Step 4: Simplify right side
    5,180.41x = 20,178,361.02
  5. Step 5: Solve for x
    x = 20,178,361.02/5,180.41
  6. Step 6: Final answer
    x = 3,895.13

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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.