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Finding the Fourth Proportional to 7,999.47, 11,995.25 and 2,451.47

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Solution

The fourth proportional to 7,999.47, 11,995.25 and 2,451.47 is: 3,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.47 : 11,995.25 = 2,451.47 : x
  2. Step 2: Convert to fraction form
    7,999.47/11,995.25 = 2,451.47/x
  3. Step 3: Cross multiply
    7,999.47x = 11,995.25 × 2,451.47
  4. Step 4: Simplify right side
    7,999.47x = 29,406,013.25
  5. Step 5: Solve for x
    x = 29,406,013.25/7,999.47
  6. Step 6: Final answer
    x = 3,676.00

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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.