Home / 4,186.17-6,279.24-1,264.47

Finding the Fourth Proportional to 4,186.17, 6,279.24 and 1,264.47

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Solution

The fourth proportional to 4,186.17, 6,279.24 and 1,264.47 is: 1,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.17 : 6,279.24 = 1,264.47 : x
  2. Step 2: Convert to fraction form
    4,186.17/6,279.24 = 1,264.47/x
  3. Step 3: Cross multiply
    4,186.17x = 6,279.24 × 1,264.47
  4. Step 4: Simplify right side
    4,186.17x = 7,939,872.88
  5. Step 5: Solve for x
    x = 7,939,872.88/4,186.17
  6. Step 6: Final answer
    x = 1,896.69

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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.