Home / 5,539.22-8,311.65-3,458.78

Finding the Fourth Proportional to 5,539.22, 8,311.65 and 3,458.78

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Solution

The fourth proportional to 5,539.22, 8,311.65 and 3,458.78 is: 5,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.22 : 8,311.65 = 3,458.78 : x
  2. Step 2: Convert to fraction form
    5,539.22/8,311.65 = 3,458.78/x
  3. Step 3: Cross multiply
    5,539.22x = 8,311.65 × 3,458.78
  4. Step 4: Simplify right side
    5,539.22x = 28,748,168.79
  5. Step 5: Solve for x
    x = 28,748,168.79/5,539.22
  6. Step 6: Final answer
    x = 5,189.93

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1.5x scale

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.