Home / 4,160.14-6,241.08-1,387.02

Finding the Fourth Proportional to 4,160.14, 6,241.08 and 1,387.02

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Solution

The fourth proportional to 4,160.14, 6,241.08 and 1,387.02 is: 2,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.14 : 6,241.08 = 1,387.02 : x
  2. Step 2: Convert to fraction form
    4,160.14/6,241.08 = 1,387.02/x
  3. Step 3: Cross multiply
    4,160.14x = 6,241.08 × 1,387.02
  4. Step 4: Simplify right side
    4,160.14x = 8,656,502.78
  5. Step 5: Solve for x
    x = 8,656,502.78/4,160.14
  6. Step 6: Final answer
    x = 2,080.82

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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.