Home / 4,891.20-6,750.03-2,766.82

Finding the Fourth Proportional to 4,891.20, 6,750.03 and 2,766.82

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Solution

The fourth proportional to 4,891.20, 6,750.03 and 2,766.82 is: 3,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.20 : 6,750.03 = 2,766.82 : x
  2. Step 2: Convert to fraction form
    4,891.20/6,750.03 = 2,766.82/x
  3. Step 3: Cross multiply
    4,891.20x = 6,750.03 × 2,766.82
  4. Step 4: Simplify right side
    4,891.20x = 18,676,118.00
  5. Step 5: Solve for x
    x = 18,676,118.00/4,891.20
  6. Step 6: Final answer
    x = 3,818.31

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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.