Home / 9,146.27-13,719.09-3,877.89

Finding the Fourth Proportional to 9,146.27, 13,719.09 and 3,877.89

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Solution

The fourth proportional to 9,146.27, 13,719.09 and 3,877.89 is: 5,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.27 : 13,719.09 = 3,877.89 : x
  2. Step 2: Convert to fraction form
    9,146.27/13,719.09 = 3,877.89/x
  3. Step 3: Cross multiply
    9,146.27x = 13,719.09 × 3,877.89
  4. Step 4: Simplify right side
    9,146.27x = 53,201,033.94
  5. Step 5: Solve for x
    x = 53,201,033.94/9,146.27
  6. Step 6: Final answer
    x = 5,816.70

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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.