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Finding the Fourth Proportional to 7,976.02, 11,963.88 and 3,590.38

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Solution

The fourth proportional to 7,976.02, 11,963.88 and 3,590.38 is: 5,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.02 : 11,963.88 = 3,590.38 : x
  2. Step 2: Convert to fraction form
    7,976.02/11,963.88 = 3,590.38/x
  3. Step 3: Cross multiply
    7,976.02x = 11,963.88 × 3,590.38
  4. Step 4: Simplify right side
    7,976.02x = 42,954,875.47
  5. Step 5: Solve for x
    x = 42,954,875.47/7,976.02
  6. Step 6: Final answer
    x = 5,385.50

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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.