Home / 4,187.79-6,282.80-1,266.18

Finding the Fourth Proportional to 4,187.79, 6,282.80 and 1,266.18

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Solution

The fourth proportional to 4,187.79, 6,282.80 and 1,266.18 is: 1,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.79 : 6,282.80 = 1,266.18 : x
  2. Step 2: Convert to fraction form
    4,187.79/6,282.80 = 1,266.18/x
  3. Step 3: Cross multiply
    4,187.79x = 6,282.80 × 1,266.18
  4. Step 4: Simplify right side
    4,187.79x = 7,955,149.37
  5. Step 5: Solve for x
    x = 7,955,149.37/4,187.79
  6. Step 6: Final answer
    x = 1,899.61

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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.