Home / 4,818.60-6,649.20-2,722.68

Finding the Fourth Proportional to 4,818.60, 6,649.20 and 2,722.68

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Solution

The fourth proportional to 4,818.60, 6,649.20 and 2,722.68 is: 3,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.60 : 6,649.20 = 2,722.68 : x
  2. Step 2: Convert to fraction form
    4,818.60/6,649.20 = 2,722.68/x
  3. Step 3: Cross multiply
    4,818.60x = 6,649.20 × 2,722.68
  4. Step 4: Simplify right side
    4,818.60x = 18,103,643.86
  5. Step 5: Solve for x
    x = 18,103,643.86/4,818.60
  6. Step 6: Final answer
    x = 3,757.03

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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.