Home / 4,800.20-7,196.65-3,918.11

Finding the Fourth Proportional to 4,800.20, 7,196.65 and 3,918.11

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Solution

The fourth proportional to 4,800.20, 7,196.65 and 3,918.11 is: 5,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.20 : 7,196.65 = 3,918.11 : x
  2. Step 2: Convert to fraction form
    4,800.20/7,196.65 = 3,918.11/x
  3. Step 3: Cross multiply
    4,800.20x = 7,196.65 × 3,918.11
  4. Step 4: Simplify right side
    4,800.20x = 28,197,220.55
  5. Step 5: Solve for x
    x = 28,197,220.55/4,800.20
  6. Step 6: Final answer
    x = 5,874.18

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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.