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Finding the Fourth Proportional to 7,356.91, 11,024.89 and 3,653.90

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Solution

The fourth proportional to 7,356.91, 11,024.89 and 3,653.90 is: 5,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.91 : 11,024.89 = 3,653.90 : x
  2. Step 2: Convert to fraction form
    7,356.91/11,024.89 = 3,653.90/x
  3. Step 3: Cross multiply
    7,356.91x = 11,024.89 × 3,653.90
  4. Step 4: Simplify right side
    7,356.91x = 40,283,845.57
  5. Step 5: Solve for x
    x = 40,283,845.57/7,356.91
  6. Step 6: Final answer
    x = 5,475.65

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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.