Home / 6,959.31-10,440.67-2,279.57

Finding the Fourth Proportional to 6,959.31, 10,440.67 and 2,279.57

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Solution

The fourth proportional to 6,959.31, 10,440.67 and 2,279.57 is: 3,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.31 : 10,440.67 = 2,279.57 : x
  2. Step 2: Convert to fraction form
    6,959.31/10,440.67 = 2,279.57/x
  3. Step 3: Cross multiply
    6,959.31x = 10,440.67 × 2,279.57
  4. Step 4: Simplify right side
    6,959.31x = 23,800,238.11
  5. Step 5: Solve for x
    x = 23,800,238.11/6,959.31
  6. Step 6: Final answer
    x = 3,419.91

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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.