Home / 6,959.28-10,437.78-2,279.22

Finding the Fourth Proportional to 6,959.28, 10,437.78 and 2,279.22

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Solution

The fourth proportional to 6,959.28, 10,437.78 and 2,279.22 is: 3,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.28 : 10,437.78 = 2,279.22 : x
  2. Step 2: Convert to fraction form
    6,959.28/10,437.78 = 2,279.22/x
  3. Step 3: Cross multiply
    6,959.28x = 10,437.78 × 2,279.22
  4. Step 4: Simplify right side
    6,959.28x = 23,789,996.93
  5. Step 5: Solve for x
    x = 23,789,996.93/6,959.28
  6. Step 6: Final answer
    x = 3,418.46

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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.