Home / 4,818.38-6,649.40-2,722.55

Finding the Fourth Proportional to 4,818.38, 6,649.40 and 2,722.55

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Solution

The fourth proportional to 4,818.38, 6,649.40 and 2,722.55 is: 3,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.38 : 6,649.40 = 2,722.55 : x
  2. Step 2: Convert to fraction form
    4,818.38/6,649.40 = 2,722.55/x
  3. Step 3: Cross multiply
    4,818.38x = 6,649.40 × 2,722.55
  4. Step 4: Simplify right side
    4,818.38x = 18,103,297.53
  5. Step 5: Solve for x
    x = 18,103,297.53/4,818.38
  6. Step 6: Final answer
    x = 3,757.14

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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.