Home / 5,854.55-8,781.41-2,156.09

Finding the Fourth Proportional to 5,854.55, 8,781.41 and 2,156.09

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Solution

The fourth proportional to 5,854.55, 8,781.41 and 2,156.09 is: 3,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.55 : 8,781.41 = 2,156.09 : x
  2. Step 2: Convert to fraction form
    5,854.55/8,781.41 = 2,156.09/x
  3. Step 3: Cross multiply
    5,854.55x = 8,781.41 × 2,156.09
  4. Step 4: Simplify right side
    5,854.55x = 18,933,471.77
  5. Step 5: Solve for x
    x = 18,933,471.77/5,854.55
  6. Step 6: Final answer
    x = 3,233.98

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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.