Home / 4,818.66-6,649.74-2,722.80

Finding the Fourth Proportional to 4,818.66, 6,649.74 and 2,722.80

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Solution

The fourth proportional to 4,818.66, 6,649.74 and 2,722.80 is: 3,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.66 : 6,649.74 = 2,722.80 : x
  2. Step 2: Convert to fraction form
    4,818.66/6,649.74 = 2,722.80/x
  3. Step 3: Cross multiply
    4,818.66x = 6,649.74 × 2,722.80
  4. Step 4: Simplify right side
    4,818.66x = 18,105,912.07
  5. Step 5: Solve for x
    x = 18,105,912.07/4,818.66
  6. Step 6: Final answer
    x = 3,757.46

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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.