Home / 5,369.85-7,410.45-2,979.87

Finding the Fourth Proportional to 5,369.85, 7,410.45 and 2,979.87

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Solution

The fourth proportional to 5,369.85, 7,410.45 and 2,979.87 is: 4,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.85 : 7,410.45 = 2,979.87 : x
  2. Step 2: Convert to fraction form
    5,369.85/7,410.45 = 2,979.87/x
  3. Step 3: Cross multiply
    5,369.85x = 7,410.45 × 2,979.87
  4. Step 4: Simplify right side
    5,369.85x = 22,082,140.59
  5. Step 5: Solve for x
    x = 22,082,140.59/5,369.85
  6. Step 6: Final answer
    x = 4,112.25

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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.