Home / 5,853.64-8,781.63-2,155.89

Finding the Fourth Proportional to 5,853.64, 8,781.63 and 2,155.89

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Solution

The fourth proportional to 5,853.64, 8,781.63 and 2,155.89 is: 3,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.64 : 8,781.63 = 2,155.89 : x
  2. Step 2: Convert to fraction form
    5,853.64/8,781.63 = 2,155.89/x
  3. Step 3: Cross multiply
    5,853.64x = 8,781.63 × 2,155.89
  4. Step 4: Simplify right side
    5,853.64x = 18,932,184.39
  5. Step 5: Solve for x
    x = 18,932,184.39/5,853.64
  6. Step 6: Final answer
    x = 3,234.26

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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.