Home / 4,979.86-7,462.79-3,935.26

Finding the Fourth Proportional to 4,979.86, 7,462.79 and 3,935.26

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Solution

The fourth proportional to 4,979.86, 7,462.79 and 3,935.26 is: 5,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.86 : 7,462.79 = 3,935.26 : x
  2. Step 2: Convert to fraction form
    4,979.86/7,462.79 = 3,935.26/x
  3. Step 3: Cross multiply
    4,979.86x = 7,462.79 × 3,935.26
  4. Step 4: Simplify right side
    4,979.86x = 29,368,018.98
  5. Step 5: Solve for x
    x = 29,368,018.98/4,979.86
  6. Step 6: Final answer
    x = 5,897.36

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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.