Home / 7,992.18-11,989.14-3,066

Finding the Fourth Proportional to 7,992.18, 11,989.14 and 3,066

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Solution

The fourth proportional to 7,992.18, 11,989.14 and 3,066 is: 4,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.18 : 11,989.14 = 3,066 : x
  2. Step 2: Convert to fraction form
    7,992.18/11,989.14 = 3,066/x
  3. Step 3: Cross multiply
    7,992.18x = 11,989.14 × 3,066
  4. Step 4: Simplify right side
    7,992.18x = 36,758,703.24
  5. Step 5: Solve for x
    x = 36,758,703.24/7,992.18
  6. Step 6: Final answer
    x = 4,599.33

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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.