Home / 5,442.12-8,163.79-2,278.94

Finding the Fourth Proportional to 5,442.12, 8,163.79 and 2,278.94

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Solution

The fourth proportional to 5,442.12, 8,163.79 and 2,278.94 is: 3,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.12 : 8,163.79 = 2,278.94 : x
  2. Step 2: Convert to fraction form
    5,442.12/8,163.79 = 2,278.94/x
  3. Step 3: Cross multiply
    5,442.12x = 8,163.79 × 2,278.94
  4. Step 4: Simplify right side
    5,442.12x = 18,604,741.07
  5. Step 5: Solve for x
    x = 18,604,741.07/5,442.12
  6. Step 6: Final answer
    x = 3,418.66

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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.