Home / 4,087.20-6,116.24-3,812.64

Finding the Fourth Proportional to 4,087.20, 6,116.24 and 3,812.64

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Solution

The fourth proportional to 4,087.20, 6,116.24 and 3,812.64 is: 5,705.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.20 : 6,116.24 = 3,812.64 : x
  2. Step 2: Convert to fraction form
    4,087.20/6,116.24 = 3,812.64/x
  3. Step 3: Cross multiply
    4,087.20x = 6,116.24 × 3,812.64
  4. Step 4: Simplify right side
    4,087.20x = 23,319,021.27
  5. Step 5: Solve for x
    x = 23,319,021.27/4,087.20
  6. Step 6: Final answer
    x = 5,705.38

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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.