Home / 4,380-6,044.96-2,891.02

Finding the Fourth Proportional to 4,380, 6,044.96 and 2,891.02

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Solution

The fourth proportional to 4,380, 6,044.96 and 2,891.02 is: 3,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380 : 6,044.96 = 2,891.02 : x
  2. Step 2: Convert to fraction form
    4,380/6,044.96 = 2,891.02/x
  3. Step 3: Cross multiply
    4,380x = 6,044.96 × 2,891.02
  4. Step 4: Simplify right side
    4,380x = 17,476,081.53
  5. Step 5: Solve for x
    x = 17,476,081.53/4,380
  6. Step 6: Final answer
    x = 3,989.97

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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.