Home / 5,667.20-8,500.80-1,771.58

Finding the Fourth Proportional to 5,667.20, 8,500.80 and 1,771.58

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Solution

The fourth proportional to 5,667.20, 8,500.80 and 1,771.58 is: 2,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,667.20 : 8,500.80 = 1,771.58 : x
  2. Step 2: Convert to fraction form
    5,667.20/8,500.80 = 1,771.58/x
  3. Step 3: Cross multiply
    5,667.20x = 8,500.80 × 1,771.58
  4. Step 4: Simplify right side
    5,667.20x = 15,059,847.26
  5. Step 5: Solve for x
    x = 15,059,847.26/5,667.20
  6. Step 6: Final answer
    x = 2,657.37

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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.