Home / 6,959.02-10,438.64-2,279

Finding the Fourth Proportional to 6,959.02, 10,438.64 and 2,279

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Solution

The fourth proportional to 6,959.02, 10,438.64 and 2,279 is: 3,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.02 : 10,438.64 = 2,279 : x
  2. Step 2: Convert to fraction form
    6,959.02/10,438.64 = 2,279/x
  3. Step 3: Cross multiply
    6,959.02x = 10,438.64 × 2,279
  4. Step 4: Simplify right side
    6,959.02x = 23,789,660.56
  5. Step 5: Solve for x
    x = 23,789,660.56/6,959.02
  6. Step 6: Final answer
    x = 3,418.54

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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.