Home / 4,310.96-6,462.32-1,387.44

Finding the Fourth Proportional to 4,310.96, 6,462.32 and 1,387.44

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Solution

The fourth proportional to 4,310.96, 6,462.32 and 1,387.44 is: 2,079.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.96 : 6,462.32 = 1,387.44 : x
  2. Step 2: Convert to fraction form
    4,310.96/6,462.32 = 1,387.44/x
  3. Step 3: Cross multiply
    4,310.96x = 6,462.32 × 1,387.44
  4. Step 4: Simplify right side
    4,310.96x = 8,966,081.26
  5. Step 5: Solve for x
    x = 8,966,081.26/4,310.96
  6. Step 6: Final answer
    x = 2,079.83

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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.