Home / 5,297.14-7,944.38-2,178.02

Finding the Fourth Proportional to 5,297.14, 7,944.38 and 2,178.02

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Solution

The fourth proportional to 5,297.14, 7,944.38 and 2,178.02 is: 3,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.14 : 7,944.38 = 2,178.02 : x
  2. Step 2: Convert to fraction form
    5,297.14/7,944.38 = 2,178.02/x
  3. Step 3: Cross multiply
    5,297.14x = 7,944.38 × 2,178.02
  4. Step 4: Simplify right side
    5,297.14x = 17,302,967.92
  5. Step 5: Solve for x
    x = 17,302,967.92/5,297.14
  6. Step 6: Final answer
    x = 3,266.48

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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.