Home / 5,445.32-8,161.48-3,792.92

Finding the Fourth Proportional to 5,445.32, 8,161.48 and 3,792.92

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Solution

The fourth proportional to 5,445.32, 8,161.48 and 3,792.92 is: 5,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.32 : 8,161.48 = 3,792.92 : x
  2. Step 2: Convert to fraction form
    5,445.32/8,161.48 = 3,792.92/x
  3. Step 3: Cross multiply
    5,445.32x = 8,161.48 × 3,792.92
  4. Step 4: Simplify right side
    5,445.32x = 30,955,840.72
  5. Step 5: Solve for x
    x = 30,955,840.72/5,445.32
  6. Step 6: Final answer
    x = 5,684.85

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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.