Home / 4,824.15-6,649.62-3,938.43

Finding the Fourth Proportional to 4,824.15, 6,649.62 and 3,938.43

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Solution

The fourth proportional to 4,824.15, 6,649.62 and 3,938.43 is: 5,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,824.15 : 6,649.62 = 3,938.43 : x
  2. Step 2: Convert to fraction form
    4,824.15/6,649.62 = 3,938.43/x
  3. Step 3: Cross multiply
    4,824.15x = 6,649.62 × 3,938.43
  4. Step 4: Simplify right side
    4,824.15x = 26,189,062.90
  5. Step 5: Solve for x
    x = 26,189,062.90/4,824.15
  6. Step 6: Final answer
    x = 5,428.74

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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.