Home / 6,790.28-10,131.40-5,959.20

Finding the Fourth Proportional to 6,790.28, 10,131.40 and 5,959.20

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Solution

The fourth proportional to 6,790.28, 10,131.40 and 5,959.20 is: 8,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.28 : 10,131.40 = 5,959.20 : x
  2. Step 2: Convert to fraction form
    6,790.28/10,131.40 = 5,959.20/x
  3. Step 3: Cross multiply
    6,790.28x = 10,131.40 × 5,959.20
  4. Step 4: Simplify right side
    6,790.28x = 60,375,038.88
  5. Step 5: Solve for x
    x = 60,375,038.88/6,790.28
  6. Step 6: Final answer
    x = 8,891.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.