Home / 4,261.16-6,378.24-3,087.20

Finding the Fourth Proportional to 4,261.16, 6,378.24 and 3,087.20

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Solution

The fourth proportional to 4,261.16, 6,378.24 and 3,087.20 is: 4,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.16 : 6,378.24 = 3,087.20 : x
  2. Step 2: Convert to fraction form
    4,261.16/6,378.24 = 3,087.20/x
  3. Step 3: Cross multiply
    4,261.16x = 6,378.24 × 3,087.20
  4. Step 4: Simplify right side
    4,261.16x = 19,690,902.53
  5. Step 5: Solve for x
    x = 19,690,902.53/4,261.16
  6. Step 6: Final answer
    x = 4,621.02

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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.