Home / 4,160.66-6,241.98-1,387.36

Finding the Fourth Proportional to 4,160.66, 6,241.98 and 1,387.36

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Solution

The fourth proportional to 4,160.66, 6,241.98 and 1,387.36 is: 2,081.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.66 : 6,241.98 = 1,387.36 : x
  2. Step 2: Convert to fraction form
    4,160.66/6,241.98 = 1,387.36/x
  3. Step 3: Cross multiply
    4,160.66x = 6,241.98 × 1,387.36
  4. Step 4: Simplify right side
    4,160.66x = 8,659,873.37
  5. Step 5: Solve for x
    x = 8,659,873.37/4,160.66
  6. Step 6: Final answer
    x = 2,081.37

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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.