Home / 4,818.20-6,649.82-2,829.84

Finding the Fourth Proportional to 4,818.20, 6,649.82 and 2,829.84

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Solution

The fourth proportional to 4,818.20, 6,649.82 and 2,829.84 is: 3,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.20 : 6,649.82 = 2,829.84 : x
  2. Step 2: Convert to fraction form
    4,818.20/6,649.82 = 2,829.84/x
  3. Step 3: Cross multiply
    4,818.20x = 6,649.82 × 2,829.84
  4. Step 4: Simplify right side
    4,818.20x = 18,817,912.48
  5. Step 5: Solve for x
    x = 18,817,912.48/4,818.20
  6. Step 6: Final answer
    x = 3,905.59

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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.