Home / 4,949.30-6,829.80-2,711

Finding the Fourth Proportional to 4,949.30, 6,829.80 and 2,711

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Solution

The fourth proportional to 4,949.30, 6,829.80 and 2,711 is: 3,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.30 : 6,829.80 = 2,711 : x
  2. Step 2: Convert to fraction form
    4,949.30/6,829.80 = 2,711/x
  3. Step 3: Cross multiply
    4,949.30x = 6,829.80 × 2,711
  4. Step 4: Simplify right side
    4,949.30x = 18,515,587.80
  5. Step 5: Solve for x
    x = 18,515,587.80/4,949.30
  6. Step 6: Final answer
    x = 3,741.05

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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.