Home / 4,185.82-6,278.75-1,264.10

Finding the Fourth Proportional to 4,185.82, 6,278.75 and 1,264.10

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Solution

The fourth proportional to 4,185.82, 6,278.75 and 1,264.10 is: 1,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.82 : 6,278.75 = 1,264.10 : x
  2. Step 2: Convert to fraction form
    4,185.82/6,278.75 = 1,264.10/x
  3. Step 3: Cross multiply
    4,185.82x = 6,278.75 × 1,264.10
  4. Step 4: Simplify right side
    4,185.82x = 7,936,961.55
  5. Step 5: Solve for x
    x = 7,936,961.55/4,185.82
  6. Step 6: Final answer
    x = 1,896.16

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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.