Home / 9,172.85-13,761.36-3,329.45

Finding the Fourth Proportional to 9,172.85, 13,761.36 and 3,329.45

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Solution

The fourth proportional to 9,172.85, 13,761.36 and 3,329.45 is: 4,994.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.85 : 13,761.36 = 3,329.45 : x
  2. Step 2: Convert to fraction form
    9,172.85/13,761.36 = 3,329.45/x
  3. Step 3: Cross multiply
    9,172.85x = 13,761.36 × 3,329.45
  4. Step 4: Simplify right side
    9,172.85x = 45,817,794.46
  5. Step 5: Solve for x
    x = 45,817,794.46/9,172.85
  6. Step 6: Final answer
    x = 4,994.94

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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.