Home / 5,551.37-8,311.56-3,792.66

Finding the Fourth Proportional to 5,551.37, 8,311.56 and 3,792.66

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Solution

The fourth proportional to 5,551.37, 8,311.56 and 3,792.66 is: 5,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.37 : 8,311.56 = 3,792.66 : x
  2. Step 2: Convert to fraction form
    5,551.37/8,311.56 = 3,792.66/x
  3. Step 3: Cross multiply
    5,551.37x = 8,311.56 × 3,792.66
  4. Step 4: Simplify right side
    5,551.37x = 31,522,921.15
  5. Step 5: Solve for x
    x = 31,522,921.15/5,551.37
  6. Step 6: Final answer
    x = 5,678.40

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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.