Home / 4,186.26-6,279.42-1,264.56

Finding the Fourth Proportional to 4,186.26, 6,279.42 and 1,264.56

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Solution

The fourth proportional to 4,186.26, 6,279.42 and 1,264.56 is: 1,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.26 : 6,279.42 = 1,264.56 : x
  2. Step 2: Convert to fraction form
    4,186.26/6,279.42 = 1,264.56/x
  3. Step 3: Cross multiply
    4,186.26x = 6,279.42 × 1,264.56
  4. Step 4: Simplify right side
    4,186.26x = 7,940,703.36
  5. Step 5: Solve for x
    x = 7,940,703.36/4,186.26
  6. Step 6: Final answer
    x = 1,896.85

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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.