Home / 4,911.08-6,776.96-2,757.49

Finding the Fourth Proportional to 4,911.08, 6,776.96 and 2,757.49

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Solution

The fourth proportional to 4,911.08, 6,776.96 and 2,757.49 is: 3,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.08 : 6,776.96 = 2,757.49 : x
  2. Step 2: Convert to fraction form
    4,911.08/6,776.96 = 2,757.49/x
  3. Step 3: Cross multiply
    4,911.08x = 6,776.96 × 2,757.49
  4. Step 4: Simplify right side
    4,911.08x = 18,687,368.70
  5. Step 5: Solve for x
    x = 18,687,368.70/4,911.08
  6. Step 6: Final answer
    x = 3,805.15

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1.5x scale

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.