Home / 5,447.14-8,170.98-1,551.82

Finding the Fourth Proportional to 5,447.14, 8,170.98 and 1,551.82

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Solution

The fourth proportional to 5,447.14, 8,170.98 and 1,551.82 is: 2,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.14 : 8,170.98 = 1,551.82 : x
  2. Step 2: Convert to fraction form
    5,447.14/8,170.98 = 1,551.82/x
  3. Step 3: Cross multiply
    5,447.14x = 8,170.98 × 1,551.82
  4. Step 4: Simplify right side
    5,447.14x = 12,679,890.18
  5. Step 5: Solve for x
    x = 12,679,890.18/5,447.14
  6. Step 6: Final answer
    x = 2,327.81

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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.