Home / 6,959.19-10,439.26-2,799.20

Finding the Fourth Proportional to 6,959.19, 10,439.26 and 2,799.20

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Solution

The fourth proportional to 6,959.19, 10,439.26 and 2,799.20 is: 4,198.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.19 : 10,439.26 = 2,799.20 : x
  2. Step 2: Convert to fraction form
    6,959.19/10,439.26 = 2,799.20/x
  3. Step 3: Cross multiply
    6,959.19x = 10,439.26 × 2,799.20
  4. Step 4: Simplify right side
    6,959.19x = 29,221,576.59
  5. Step 5: Solve for x
    x = 29,221,576.59/6,959.19
  6. Step 6: Final answer
    x = 4,198.99

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1.5x scale

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.