Home / 5,643.87-8,451.82-3,297.70

Finding the Fourth Proportional to 5,643.87, 8,451.82 and 3,297.70

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Solution

The fourth proportional to 5,643.87, 8,451.82 and 3,297.70 is: 4,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.87 : 8,451.82 = 3,297.70 : x
  2. Step 2: Convert to fraction form
    5,643.87/8,451.82 = 3,297.70/x
  3. Step 3: Cross multiply
    5,643.87x = 8,451.82 × 3,297.70
  4. Step 4: Simplify right side
    5,643.87x = 27,871,566.81
  5. Step 5: Solve for x
    x = 27,871,566.81/5,643.87
  6. Step 6: Final answer
    x = 4,938.38

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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.