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Finding the Fourth Proportional to 6,367.88, 9,551.72 and 3,445.50

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Solution

The fourth proportional to 6,367.88, 9,551.72 and 3,445.50 is: 5,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.88 : 9,551.72 = 3,445.50 : x
  2. Step 2: Convert to fraction form
    6,367.88/9,551.72 = 3,445.50/x
  3. Step 3: Cross multiply
    6,367.88x = 9,551.72 × 3,445.50
  4. Step 4: Simplify right side
    6,367.88x = 32,910,451.26
  5. Step 5: Solve for x
    x = 32,910,451.26/6,367.88
  6. Step 6: Final answer
    x = 5,168.20

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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.