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Finding the Fourth Proportional to 7,999.73, 12,000.07 and 2,453.13

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Solution

The fourth proportional to 7,999.73, 12,000.07 and 2,453.13 is: 3,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.73 : 12,000.07 = 2,453.13 : x
  2. Step 2: Convert to fraction form
    7,999.73/12,000.07 = 2,453.13/x
  3. Step 3: Cross multiply
    7,999.73x = 12,000.07 × 2,453.13
  4. Step 4: Simplify right side
    7,999.73x = 29,437,719.45
  5. Step 5: Solve for x
    x = 29,437,719.45/7,999.73
  6. Step 6: Final answer
    x = 3,679.84

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1.5x scale

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.