Home / 5,780.22-8,659.45-2,855.10

Finding the Fourth Proportional to 5,780.22, 8,659.45 and 2,855.10

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Solution

The fourth proportional to 5,780.22, 8,659.45 and 2,855.10 is: 4,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.22 : 8,659.45 = 2,855.10 : x
  2. Step 2: Convert to fraction form
    5,780.22/8,659.45 = 2,855.10/x
  3. Step 3: Cross multiply
    5,780.22x = 8,659.45 × 2,855.10
  4. Step 4: Simplify right side
    5,780.22x = 24,723,595.70
  5. Step 5: Solve for x
    x = 24,723,595.70/5,780.22
  6. Step 6: Final answer
    x = 4,277.28

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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.