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Finding the Fourth Proportional to 8,453.01, 12,675.02 and 4,949.85

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Solution

The fourth proportional to 8,453.01, 12,675.02 and 4,949.85 is: 7,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.01 : 12,675.02 = 4,949.85 : x
  2. Step 2: Convert to fraction form
    8,453.01/12,675.02 = 4,949.85/x
  3. Step 3: Cross multiply
    8,453.01x = 12,675.02 × 4,949.85
  4. Step 4: Simplify right side
    8,453.01x = 62,739,423.00
  5. Step 5: Solve for x
    x = 62,739,423.00/8,453.01
  6. Step 6: Final answer
    x = 7,422.14

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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.