Home / 4,201.24-6,302.78-1,427.72

Finding the Fourth Proportional to 4,201.24, 6,302.78 and 1,427.72

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Solution

The fourth proportional to 4,201.24, 6,302.78 and 1,427.72 is: 2,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.24 : 6,302.78 = 1,427.72 : x
  2. Step 2: Convert to fraction form
    4,201.24/6,302.78 = 1,427.72/x
  3. Step 3: Cross multiply
    4,201.24x = 6,302.78 × 1,427.72
  4. Step 4: Simplify right side
    4,201.24x = 8,998,605.06
  5. Step 5: Solve for x
    x = 8,998,605.06/4,201.24
  6. Step 6: Final answer
    x = 2,141.89

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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.