Home / 6,239.64-9,361.62-3,320.04

Finding the Fourth Proportional to 6,239.64, 9,361.62 and 3,320.04

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Solution

The fourth proportional to 6,239.64, 9,361.62 and 3,320.04 is: 4,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.64 : 9,361.62 = 3,320.04 : x
  2. Step 2: Convert to fraction form
    6,239.64/9,361.62 = 3,320.04/x
  3. Step 3: Cross multiply
    6,239.64x = 9,361.62 × 3,320.04
  4. Step 4: Simplify right side
    6,239.64x = 31,080,952.86
  5. Step 5: Solve for x
    x = 31,080,952.86/6,239.64
  6. Step 6: Final answer
    x = 4,981.21

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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.