Home / 5,122.22-7,069.82-3,134.43

Finding the Fourth Proportional to 5,122.22, 7,069.82 and 3,134.43

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Solution

The fourth proportional to 5,122.22, 7,069.82 and 3,134.43 is: 4,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.22 : 7,069.82 = 3,134.43 : x
  2. Step 2: Convert to fraction form
    5,122.22/7,069.82 = 3,134.43/x
  3. Step 3: Cross multiply
    5,122.22x = 7,069.82 × 3,134.43
  4. Step 4: Simplify right side
    5,122.22x = 22,159,840.23
  5. Step 5: Solve for x
    x = 22,159,840.23/5,122.22
  6. Step 6: Final answer
    x = 4,326.22

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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.