Home / 5,820.32-8,721.81-2,531.61

Finding the Fourth Proportional to 5,820.32, 8,721.81 and 2,531.61

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Solution

The fourth proportional to 5,820.32, 8,721.81 and 2,531.61 is: 3,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.32 : 8,721.81 = 2,531.61 : x
  2. Step 2: Convert to fraction form
    5,820.32/8,721.81 = 2,531.61/x
  3. Step 3: Cross multiply
    5,820.32x = 8,721.81 × 2,531.61
  4. Step 4: Simplify right side
    5,820.32x = 22,080,221.41
  5. Step 5: Solve for x
    x = 22,080,221.41/5,820.32
  6. Step 6: Final answer
    x = 3,793.64

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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.