Home / 5,100.22-7,650.32-1,402.18

Finding the Fourth Proportional to 5,100.22, 7,650.32 and 1,402.18

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Solution

The fourth proportional to 5,100.22, 7,650.32 and 1,402.18 is: 2,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.22 : 7,650.32 = 1,402.18 : x
  2. Step 2: Convert to fraction form
    5,100.22/7,650.32 = 1,402.18/x
  3. Step 3: Cross multiply
    5,100.22x = 7,650.32 × 1,402.18
  4. Step 4: Simplify right side
    5,100.22x = 10,727,125.70
  5. Step 5: Solve for x
    x = 10,727,125.70/5,100.22
  6. Step 6: Final answer
    x = 2,103.27

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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.