Home / 5,447.18-8,170.32-1,748.42

Finding the Fourth Proportional to 5,447.18, 8,170.32 and 1,748.42

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Solution

The fourth proportional to 5,447.18, 8,170.32 and 1,748.42 is: 2,622.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.18 : 8,170.32 = 1,748.42 : x
  2. Step 2: Convert to fraction form
    5,447.18/8,170.32 = 1,748.42/x
  3. Step 3: Cross multiply
    5,447.18x = 8,170.32 × 1,748.42
  4. Step 4: Simplify right side
    5,447.18x = 14,285,150.89
  5. Step 5: Solve for x
    x = 14,285,150.89/5,447.18
  6. Step 6: Final answer
    x = 2,622.49

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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.