Home / 7,180.62-9,908.64-4,196.10

Finding the Fourth Proportional to 7,180.62, 9,908.64 and 4,196.10

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Solution

The fourth proportional to 7,180.62, 9,908.64 and 4,196.10 is: 5,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.62 : 9,908.64 = 4,196.10 : x
  2. Step 2: Convert to fraction form
    7,180.62/9,908.64 = 4,196.10/x
  3. Step 3: Cross multiply
    7,180.62x = 9,908.64 × 4,196.10
  4. Step 4: Simplify right side
    7,180.62x = 41,577,644.30
  5. Step 5: Solve for x
    x = 41,577,644.30/7,180.62
  6. Step 6: Final answer
    x = 5,790.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.