Home / 4,818.64-6,649.88-2,722.90

Finding the Fourth Proportional to 4,818.64, 6,649.88 and 2,722.90

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Solution

The fourth proportional to 4,818.64, 6,649.88 and 2,722.90 is: 3,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.64 : 6,649.88 = 2,722.90 : x
  2. Step 2: Convert to fraction form
    4,818.64/6,649.88 = 2,722.90/x
  3. Step 3: Cross multiply
    4,818.64x = 6,649.88 × 2,722.90
  4. Step 4: Simplify right side
    4,818.64x = 18,106,958.25
  5. Step 5: Solve for x
    x = 18,106,958.25/4,818.64
  6. Step 6: Final answer
    x = 3,757.69

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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.