Home / 5,335.35-8,002.82-1,439.86

Finding the Fourth Proportional to 5,335.35, 8,002.82 and 1,439.86

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Solution

The fourth proportional to 5,335.35, 8,002.82 and 1,439.86 is: 2,159.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.35 : 8,002.82 = 1,439.86 : x
  2. Step 2: Convert to fraction form
    5,335.35/8,002.82 = 1,439.86/x
  3. Step 3: Cross multiply
    5,335.35x = 8,002.82 × 1,439.86
  4. Step 4: Simplify right side
    5,335.35x = 11,522,896.79
  5. Step 5: Solve for x
    x = 11,522,896.79/5,335.35
  6. Step 6: Final answer
    x = 2,159.73

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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.