Home / 4,188.51-6,280.89-1,414.46

Finding the Fourth Proportional to 4,188.51, 6,280.89 and 1,414.46

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Solution

The fourth proportional to 4,188.51, 6,280.89 and 1,414.46 is: 2,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.51 : 6,280.89 = 1,414.46 : x
  2. Step 2: Convert to fraction form
    4,188.51/6,280.89 = 1,414.46/x
  3. Step 3: Cross multiply
    4,188.51x = 6,280.89 × 1,414.46
  4. Step 4: Simplify right side
    4,188.51x = 8,884,067.67
  5. Step 5: Solve for x
    x = 8,884,067.67/4,188.51
  6. Step 6: Final answer
    x = 2,121.06

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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.