Home / 5,427.66-8,137.74-2,306.90

Finding the Fourth Proportional to 5,427.66, 8,137.74 and 2,306.90

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Solution

The fourth proportional to 5,427.66, 8,137.74 and 2,306.90 is: 3,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.66 : 8,137.74 = 2,306.90 : x
  2. Step 2: Convert to fraction form
    5,427.66/8,137.74 = 2,306.90/x
  3. Step 3: Cross multiply
    5,427.66x = 8,137.74 × 2,306.90
  4. Step 4: Simplify right side
    5,427.66x = 18,772,952.41
  5. Step 5: Solve for x
    x = 18,772,952.41/5,427.66
  6. Step 6: Final answer
    x = 3,458.76

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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.