Home / 5,617.88-8,424.22-3,278.56

Finding the Fourth Proportional to 5,617.88, 8,424.22 and 3,278.56

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Solution

The fourth proportional to 5,617.88, 8,424.22 and 3,278.56 is: 4,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.88 : 8,424.22 = 3,278.56 : x
  2. Step 2: Convert to fraction form
    5,617.88/8,424.22 = 3,278.56/x
  3. Step 3: Cross multiply
    5,617.88x = 8,424.22 × 3,278.56
  4. Step 4: Simplify right side
    5,617.88x = 27,619,310.72
  5. Step 5: Solve for x
    x = 27,619,310.72/5,617.88
  6. Step 6: Final answer
    x = 4,916.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.