Home / 9,325.20-13,981.64-3,772.04

Finding the Fourth Proportional to 9,325.20, 13,981.64 and 3,772.04

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Solution

The fourth proportional to 9,325.20, 13,981.64 and 3,772.04 is: 5,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.20 : 13,981.64 = 3,772.04 : x
  2. Step 2: Convert to fraction form
    9,325.20/13,981.64 = 3,772.04/x
  3. Step 3: Cross multiply
    9,325.20x = 13,981.64 × 3,772.04
  4. Step 4: Simplify right side
    9,325.20x = 52,739,235.44
  5. Step 5: Solve for x
    x = 52,739,235.44/9,325.20
  6. Step 6: Final answer
    x = 5,655.56

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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.