Home / 5,351.30-8,027.43-1,402.55

Finding the Fourth Proportional to 5,351.30, 8,027.43 and 1,402.55

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Solution

The fourth proportional to 5,351.30, 8,027.43 and 1,402.55 is: 2,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.30 : 8,027.43 = 1,402.55 : x
  2. Step 2: Convert to fraction form
    5,351.30/8,027.43 = 1,402.55/x
  3. Step 3: Cross multiply
    5,351.30x = 8,027.43 × 1,402.55
  4. Step 4: Simplify right side
    5,351.30x = 11,258,886.76
  5. Step 5: Solve for x
    x = 11,258,886.76/5,351.30
  6. Step 6: Final answer
    x = 2,103.95

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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.