Home / 4,147.47-5,723.37-2,379.02

Finding the Fourth Proportional to 4,147.47, 5,723.37 and 2,379.02

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Solution

The fourth proportional to 4,147.47, 5,723.37 and 2,379.02 is: 3,282.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.47 : 5,723.37 = 2,379.02 : x
  2. Step 2: Convert to fraction form
    4,147.47/5,723.37 = 2,379.02/x
  3. Step 3: Cross multiply
    4,147.47x = 5,723.37 × 2,379.02
  4. Step 4: Simplify right side
    4,147.47x = 13,615,983.08
  5. Step 5: Solve for x
    x = 13,615,983.08/4,147.47
  6. Step 6: Final answer
    x = 3,282.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.