Home / 7,864.74-11,797.14-2,318.15

Finding the Fourth Proportional to 7,864.74, 11,797.14 and 2,318.15

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Solution

The fourth proportional to 7,864.74, 11,797.14 and 2,318.15 is: 3,477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.74 : 11,797.14 = 2,318.15 : x
  2. Step 2: Convert to fraction form
    7,864.74/11,797.14 = 2,318.15/x
  3. Step 3: Cross multiply
    7,864.74x = 11,797.14 × 2,318.15
  4. Step 4: Simplify right side
    7,864.74x = 27,347,578.28
  5. Step 5: Solve for x
    x = 27,347,578.28/7,864.74
  6. Step 6: Final answer
    x = 3,477.24

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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.