Home / 9,146.52-13,719.46-3,878.13

Finding the Fourth Proportional to 9,146.52, 13,719.46 and 3,878.13

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Solution

The fourth proportional to 9,146.52, 13,719.46 and 3,878.13 is: 5,817.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.52 : 13,719.46 = 3,878.13 : x
  2. Step 2: Convert to fraction form
    9,146.52/13,719.46 = 3,878.13/x
  3. Step 3: Cross multiply
    9,146.52x = 13,719.46 × 3,878.13
  4. Step 4: Simplify right side
    9,146.52x = 53,205,849.41
  5. Step 5: Solve for x
    x = 53,205,849.41/9,146.52
  6. Step 6: Final answer
    x = 5,817.06

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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.