Home / 5,176.20-7,765.30-2,214.60

Finding the Fourth Proportional to 5,176.20, 7,765.30 and 2,214.60

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Solution

The fourth proportional to 5,176.20, 7,765.30 and 2,214.60 is: 3,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.20 : 7,765.30 = 2,214.60 : x
  2. Step 2: Convert to fraction form
    5,176.20/7,765.30 = 2,214.60/x
  3. Step 3: Cross multiply
    5,176.20x = 7,765.30 × 2,214.60
  4. Step 4: Simplify right side
    5,176.20x = 17,197,033.38
  5. Step 5: Solve for x
    x = 17,197,033.38/5,176.20
  6. Step 6: Final answer
    x = 3,322.33

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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.