Home / 4,380.25-6,045.31-2,891.27

Finding the Fourth Proportional to 4,380.25, 6,045.31 and 2,891.27

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Solution

The fourth proportional to 4,380.25, 6,045.31 and 2,891.27 is: 3,990.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.25 : 6,045.31 = 2,891.27 : x
  2. Step 2: Convert to fraction form
    4,380.25/6,045.31 = 2,891.27/x
  3. Step 3: Cross multiply
    4,380.25x = 6,045.31 × 2,891.27
  4. Step 4: Simplify right side
    4,380.25x = 17,478,593.87
  5. Step 5: Solve for x
    x = 17,478,593.87/4,380.25
  6. Step 6: Final answer
    x = 3,990.32

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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.