Home / 4,891.06-6,749.79-2,766.66

Finding the Fourth Proportional to 4,891.06, 6,749.79 and 2,766.66

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Solution

The fourth proportional to 4,891.06, 6,749.79 and 2,766.66 is: 3,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.06 : 6,749.79 = 2,766.66 : x
  2. Step 2: Convert to fraction form
    4,891.06/6,749.79 = 2,766.66/x
  3. Step 3: Cross multiply
    4,891.06x = 6,749.79 × 2,766.66
  4. Step 4: Simplify right side
    4,891.06x = 18,674,374.00
  5. Step 5: Solve for x
    x = 18,674,374.00/4,891.06
  6. Step 6: Final answer
    x = 3,818.06

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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.