Home / 9,146.45-13,719.36-3,878.07

Finding the Fourth Proportional to 9,146.45, 13,719.36 and 3,878.07

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Solution

The fourth proportional to 9,146.45, 13,719.36 and 3,878.07 is: 5,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.45 : 13,719.36 = 3,878.07 : x
  2. Step 2: Convert to fraction form
    9,146.45/13,719.36 = 3,878.07/x
  3. Step 3: Cross multiply
    9,146.45x = 13,719.36 × 3,878.07
  4. Step 4: Simplify right side
    9,146.45x = 53,204,652.98
  5. Step 5: Solve for x
    x = 53,204,652.98/9,146.45
  6. Step 6: Final answer
    x = 5,816.97

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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.