Home / 4,188.82-6,283.95-1,266.88

Finding the Fourth Proportional to 4,188.82, 6,283.95 and 1,266.88

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Solution

The fourth proportional to 4,188.82, 6,283.95 and 1,266.88 is: 1,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.82 : 6,283.95 = 1,266.88 : x
  2. Step 2: Convert to fraction form
    4,188.82/6,283.95 = 1,266.88/x
  3. Step 3: Cross multiply
    4,188.82x = 6,283.95 × 1,266.88
  4. Step 4: Simplify right side
    4,188.82x = 7,961,010.58
  5. Step 5: Solve for x
    x = 7,961,010.58/4,188.82
  6. Step 6: Final answer
    x = 1,900.54

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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.