Home / 9,332.82-13,990.59-3,172.50

Finding the Fourth Proportional to 9,332.82, 13,990.59 and 3,172.50

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Solution

The fourth proportional to 9,332.82, 13,990.59 and 3,172.50 is: 4,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.82 : 13,990.59 = 3,172.50 : x
  2. Step 2: Convert to fraction form
    9,332.82/13,990.59 = 3,172.50/x
  3. Step 3: Cross multiply
    9,332.82x = 13,990.59 × 3,172.50
  4. Step 4: Simplify right side
    9,332.82x = 44,385,146.78
  5. Step 5: Solve for x
    x = 44,385,146.78/9,332.82
  6. Step 6: Final answer
    x = 4,755.81

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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.