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Finding the Fourth Proportional to 7,491, 11,237.08 and 4,371.32

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Solution

The fourth proportional to 7,491, 11,237.08 and 4,371.32 is: 6,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491 : 11,237.08 = 4,371.32 : x
  2. Step 2: Convert to fraction form
    7,491/11,237.08 = 4,371.32/x
  3. Step 3: Cross multiply
    7,491x = 11,237.08 × 4,371.32
  4. Step 4: Simplify right side
    7,491x = 49,120,872.55
  5. Step 5: Solve for x
    x = 49,120,872.55/7,491
  6. Step 6: Final answer
    x = 6,557.32

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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.