Home / 4,919.31-6,788.65-2,711.31

Finding the Fourth Proportional to 4,919.31, 6,788.65 and 2,711.31

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Solution

The fourth proportional to 4,919.31, 6,788.65 and 2,711.31 is: 3,741.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.31 : 6,788.65 = 2,711.31 : x
  2. Step 2: Convert to fraction form
    4,919.31/6,788.65 = 2,711.31/x
  3. Step 3: Cross multiply
    4,919.31x = 6,788.65 × 2,711.31
  4. Step 4: Simplify right side
    4,919.31x = 18,406,134.63
  5. Step 5: Solve for x
    x = 18,406,134.63/4,919.31
  6. Step 6: Final answer
    x = 3,741.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.