Home / 4,186.22-6,280.35-1,264.36

Finding the Fourth Proportional to 4,186.22, 6,280.35 and 1,264.36

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Solution

The fourth proportional to 4,186.22, 6,280.35 and 1,264.36 is: 1,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.22 : 6,280.35 = 1,264.36 : x
  2. Step 2: Convert to fraction form
    4,186.22/6,280.35 = 1,264.36/x
  3. Step 3: Cross multiply
    4,186.22x = 6,280.35 × 1,264.36
  4. Step 4: Simplify right side
    4,186.22x = 7,940,591.92
  5. Step 5: Solve for x
    x = 7,940,591.92/4,186.22
  6. Step 6: Final answer
    x = 1,896.84

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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.