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Finding the Fourth Proportional to 4,266.36, 6,399.52 and 1,800.52

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Solution

The fourth proportional to 4,266.36, 6,399.52 and 1,800.52 is: 2,700.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.36 : 6,399.52 = 1,800.52 : x
  2. Step 2: Convert to fraction form
    4,266.36/6,399.52 = 1,800.52/x
  3. Step 3: Cross multiply
    4,266.36x = 6,399.52 × 1,800.52
  4. Step 4: Simplify right side
    4,266.36x = 11,522,463.75
  5. Step 5: Solve for x
    x = 11,522,463.75/4,266.36
  6. Step 6: Final answer
    x = 2,700.77

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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.