Home / 5,363.11-7,399.83-3,123.64

Finding the Fourth Proportional to 5,363.11, 7,399.83 and 3,123.64

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Solution

The fourth proportional to 5,363.11, 7,399.83 and 3,123.64 is: 4,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.11 : 7,399.83 = 3,123.64 : x
  2. Step 2: Convert to fraction form
    5,363.11/7,399.83 = 3,123.64/x
  3. Step 3: Cross multiply
    5,363.11x = 7,399.83 × 3,123.64
  4. Step 4: Simplify right side
    5,363.11x = 23,114,404.98
  5. Step 5: Solve for x
    x = 23,114,404.98/5,363.11
  6. Step 6: Final answer
    x = 4,309.89

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1.5x scale

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.