Home / 4,867.40-7,301.10-2,786.60

Finding the Fourth Proportional to 4,867.40, 7,301.10 and 2,786.60

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Solution

The fourth proportional to 4,867.40, 7,301.10 and 2,786.60 is: 4,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.40 : 7,301.10 = 2,786.60 : x
  2. Step 2: Convert to fraction form
    4,867.40/7,301.10 = 2,786.60/x
  3. Step 3: Cross multiply
    4,867.40x = 7,301.10 × 2,786.60
  4. Step 4: Simplify right side
    4,867.40x = 20,345,245.26
  5. Step 5: Solve for x
    x = 20,345,245.26/4,867.40
  6. Step 6: Final answer
    x = 4,179.90

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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.