Home / 4,201.16-6,301.67-1,427.78

Finding the Fourth Proportional to 4,201.16, 6,301.67 and 1,427.78

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Solution

The fourth proportional to 4,201.16, 6,301.67 and 1,427.78 is: 2,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.16 : 6,301.67 = 1,427.78 : x
  2. Step 2: Convert to fraction form
    4,201.16/6,301.67 = 1,427.78/x
  3. Step 3: Cross multiply
    4,201.16x = 6,301.67 × 1,427.78
  4. Step 4: Simplify right side
    4,201.16x = 8,997,407.01
  5. Step 5: Solve for x
    x = 8,997,407.01/4,201.16
  6. Step 6: Final answer
    x = 2,141.65

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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.