Home / 7,976.36-11,966.45-4,017.89

Finding the Fourth Proportional to 7,976.36, 11,966.45 and 4,017.89

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Solution

The fourth proportional to 7,976.36, 11,966.45 and 4,017.89 is: 6,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.36 : 11,966.45 = 4,017.89 : x
  2. Step 2: Convert to fraction form
    7,976.36/11,966.45 = 4,017.89/x
  3. Step 3: Cross multiply
    7,976.36x = 11,966.45 × 4,017.89
  4. Step 4: Simplify right side
    7,976.36x = 48,079,889.62
  5. Step 5: Solve for x
    x = 48,079,889.62/7,976.36
  6. Step 6: Final answer
    x = 6,027.80

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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.