Home / 4,308.42-6,463.24-1,387.38

Finding the Fourth Proportional to 4,308.42, 6,463.24 and 1,387.38

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Solution

The fourth proportional to 4,308.42, 6,463.24 and 1,387.38 is: 2,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.42 : 6,463.24 = 1,387.38 : x
  2. Step 2: Convert to fraction form
    4,308.42/6,463.24 = 1,387.38/x
  3. Step 3: Cross multiply
    4,308.42x = 6,463.24 × 1,387.38
  4. Step 4: Simplify right side
    4,308.42x = 8,966,969.91
  5. Step 5: Solve for x
    x = 8,966,969.91/4,308.42
  6. Step 6: Final answer
    x = 2,081.27

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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.