Home / 7,906.98-11,835.86-4,979.13

Finding the Fourth Proportional to 7,906.98, 11,835.86 and 4,979.13

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Solution

The fourth proportional to 7,906.98, 11,835.86 and 4,979.13 is: 7,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.98 : 11,835.86 = 4,979.13 : x
  2. Step 2: Convert to fraction form
    7,906.98/11,835.86 = 4,979.13/x
  3. Step 3: Cross multiply
    7,906.98x = 11,835.86 × 4,979.13
  4. Step 4: Simplify right side
    7,906.98x = 58,932,260.71
  5. Step 5: Solve for x
    x = 58,932,260.71/7,906.98
  6. Step 6: Final answer
    x = 7,453.20

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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.