Home / 7,877.27-11,816.46-2,612.04

Finding the Fourth Proportional to 7,877.27, 11,816.46 and 2,612.04

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Solution

The fourth proportional to 7,877.27, 11,816.46 and 2,612.04 is: 3,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.27 : 11,816.46 = 2,612.04 : x
  2. Step 2: Convert to fraction form
    7,877.27/11,816.46 = 2,612.04/x
  3. Step 3: Cross multiply
    7,877.27x = 11,816.46 × 2,612.04
  4. Step 4: Simplify right side
    7,877.27x = 30,865,066.18
  5. Step 5: Solve for x
    x = 30,865,066.18/7,877.27
  6. Step 6: Final answer
    x = 3,918.25

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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.