Home / 7,998.30-11,996.48-2,455.47

Finding the Fourth Proportional to 7,998.30, 11,996.48 and 2,455.47

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Solution

The fourth proportional to 7,998.30, 11,996.48 and 2,455.47 is: 3,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.30 : 11,996.48 = 2,455.47 : x
  2. Step 2: Convert to fraction form
    7,998.30/11,996.48 = 2,455.47/x
  3. Step 3: Cross multiply
    7,998.30x = 11,996.48 × 2,455.47
  4. Step 4: Simplify right side
    7,998.30x = 29,457,002.88
  5. Step 5: Solve for x
    x = 29,457,002.88/7,998.30
  6. Step 6: Final answer
    x = 3,682.91

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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.