Home / 4,397.30-6,589.84-2,054.78

Finding the Fourth Proportional to 4,397.30, 6,589.84 and 2,054.78

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Solution

The fourth proportional to 4,397.30, 6,589.84 and 2,054.78 is: 3,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,397.30 : 6,589.84 = 2,054.78 : x
  2. Step 2: Convert to fraction form
    4,397.30/6,589.84 = 2,054.78/x
  3. Step 3: Cross multiply
    4,397.30x = 6,589.84 × 2,054.78
  4. Step 4: Simplify right side
    4,397.30x = 13,540,671.44
  5. Step 5: Solve for x
    x = 13,540,671.44/4,397.30
  6. Step 6: Final answer
    x = 3,079.31

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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.