Home / 7,332.75-11,001.15-2,138.63

Finding the Fourth Proportional to 7,332.75, 11,001.15 and 2,138.63

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Solution

The fourth proportional to 7,332.75, 11,001.15 and 2,138.63 is: 3,208.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.75 : 11,001.15 = 2,138.63 : x
  2. Step 2: Convert to fraction form
    7,332.75/11,001.15 = 2,138.63/x
  3. Step 3: Cross multiply
    7,332.75x = 11,001.15 × 2,138.63
  4. Step 4: Simplify right side
    7,332.75x = 23,527,334.42
  5. Step 5: Solve for x
    x = 23,527,334.42/7,332.75
  6. Step 6: Final answer
    x = 3,208.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.