Home / 4,939.02-7,414.32-3,899.73

Finding the Fourth Proportional to 4,939.02, 7,414.32 and 3,899.73

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Solution

The fourth proportional to 4,939.02, 7,414.32 and 3,899.73 is: 5,854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.02 : 7,414.32 = 3,899.73 : x
  2. Step 2: Convert to fraction form
    4,939.02/7,414.32 = 3,899.73/x
  3. Step 3: Cross multiply
    4,939.02x = 7,414.32 × 3,899.73
  4. Step 4: Simplify right side
    4,939.02x = 28,913,832.95
  5. Step 5: Solve for x
    x = 28,913,832.95/4,939.02
  6. Step 6: Final answer
    x = 5,854.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.