Home / 7,985.08-11,967.90-3,601.36

Finding the Fourth Proportional to 7,985.08, 11,967.90 and 3,601.36

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Solution

The fourth proportional to 7,985.08, 11,967.90 and 3,601.36 is: 5,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.08 : 11,967.90 = 3,601.36 : x
  2. Step 2: Convert to fraction form
    7,985.08/11,967.90 = 3,601.36/x
  3. Step 3: Cross multiply
    7,985.08x = 11,967.90 × 3,601.36
  4. Step 4: Simplify right side
    7,985.08x = 43,100,716.34
  5. Step 5: Solve for x
    x = 43,100,716.34/7,985.08
  6. Step 6: Final answer
    x = 5,397.66

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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.