Home / 6,999.30-10,499.36-2,839.14

Finding the Fourth Proportional to 6,999.30, 10,499.36 and 2,839.14

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Solution

The fourth proportional to 6,999.30, 10,499.36 and 2,839.14 is: 4,258.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.30 : 10,499.36 = 2,839.14 : x
  2. Step 2: Convert to fraction form
    6,999.30/10,499.36 = 2,839.14/x
  3. Step 3: Cross multiply
    6,999.30x = 10,499.36 × 2,839.14
  4. Step 4: Simplify right side
    6,999.30x = 29,809,138.75
  5. Step 5: Solve for x
    x = 29,809,138.75/6,999.30
  6. Step 6: Final answer
    x = 4,258.87

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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.