Home / 7,983.32-11,013.26-5,149.96

Finding the Fourth Proportional to 7,983.32, 11,013.26 and 5,149.96

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Solution

The fourth proportional to 7,983.32, 11,013.26 and 5,149.96 is: 7,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.32 : 11,013.26 = 5,149.96 : x
  2. Step 2: Convert to fraction form
    7,983.32/11,013.26 = 5,149.96/x
  3. Step 3: Cross multiply
    7,983.32x = 11,013.26 × 5,149.96
  4. Step 4: Simplify right side
    7,983.32x = 56,717,848.47
  5. Step 5: Solve for x
    x = 56,717,848.47/7,983.32
  6. Step 6: Final answer
    x = 7,104.54

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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.