Home / 6,362.29-9,540.40-1,979.79

Finding the Fourth Proportional to 6,362.29, 9,540.40 and 1,979.79

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Solution

The fourth proportional to 6,362.29, 9,540.40 and 1,979.79 is: 2,968.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.29 : 9,540.40 = 1,979.79 : x
  2. Step 2: Convert to fraction form
    6,362.29/9,540.40 = 1,979.79/x
  3. Step 3: Cross multiply
    6,362.29x = 9,540.40 × 1,979.79
  4. Step 4: Simplify right side
    6,362.29x = 18,887,988.52
  5. Step 5: Solve for x
    x = 18,887,988.52/6,362.29
  6. Step 6: Final answer
    x = 2,968.74

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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.