Home / 4,428.88-6,114.96-2,939.90

Finding the Fourth Proportional to 4,428.88, 6,114.96 and 2,939.90

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Solution

The fourth proportional to 4,428.88, 6,114.96 and 2,939.90 is: 4,059.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.88 : 6,114.96 = 2,939.90 : x
  2. Step 2: Convert to fraction form
    4,428.88/6,114.96 = 2,939.90/x
  3. Step 3: Cross multiply
    4,428.88x = 6,114.96 × 2,939.90
  4. Step 4: Simplify right side
    4,428.88x = 17,977,340.33
  5. Step 5: Solve for x
    x = 17,977,340.33/4,428.88
  6. Step 6: Final answer
    x = 4,059.12

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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.