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Finding the Fourth Proportional to 8,963, 13,441.13 and 2,635.98

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Solution

The fourth proportional to 8,963, 13,441.13 and 2,635.98 is: 3,952.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963 : 13,441.13 = 2,635.98 : x
  2. Step 2: Convert to fraction form
    8,963/13,441.13 = 2,635.98/x
  3. Step 3: Cross multiply
    8,963x = 13,441.13 × 2,635.98
  4. Step 4: Simplify right side
    8,963x = 35,430,549.86
  5. Step 5: Solve for x
    x = 35,430,549.86/8,963
  6. Step 6: Final answer
    x = 3,952.98

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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.