Home / 5,445.21-7,512.62-3,176.04

Finding the Fourth Proportional to 5,445.21, 7,512.62 and 3,176.04

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Solution

The fourth proportional to 5,445.21, 7,512.62 and 3,176.04 is: 4,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.21 : 7,512.62 = 3,176.04 : x
  2. Step 2: Convert to fraction form
    5,445.21/7,512.62 = 3,176.04/x
  3. Step 3: Cross multiply
    5,445.21x = 7,512.62 × 3,176.04
  4. Step 4: Simplify right side
    5,445.21x = 23,860,365.74
  5. Step 5: Solve for x
    x = 23,860,365.74/5,445.21
  6. Step 6: Final answer
    x = 4,381.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.