Home / 5,345.79-8,016.39-1,836.15

Finding the Fourth Proportional to 5,345.79, 8,016.39 and 1,836.15

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Solution

The fourth proportional to 5,345.79, 8,016.39 and 1,836.15 is: 2,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.79 : 8,016.39 = 1,836.15 : x
  2. Step 2: Convert to fraction form
    5,345.79/8,016.39 = 1,836.15/x
  3. Step 3: Cross multiply
    5,345.79x = 8,016.39 × 1,836.15
  4. Step 4: Simplify right side
    5,345.79x = 14,719,245.24
  5. Step 5: Solve for x
    x = 14,719,245.24/5,345.79
  6. Step 6: Final answer
    x = 2,753.43

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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.