Home / 6,651.17-9,179.08-3,819

Finding the Fourth Proportional to 6,651.17, 9,179.08 and 3,819

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Solution

The fourth proportional to 6,651.17, 9,179.08 and 3,819 is: 5,270.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.17 : 9,179.08 = 3,819 : x
  2. Step 2: Convert to fraction form
    6,651.17/9,179.08 = 3,819/x
  3. Step 3: Cross multiply
    6,651.17x = 9,179.08 × 3,819
  4. Step 4: Simplify right side
    6,651.17x = 35,054,896.97
  5. Step 5: Solve for x
    x = 35,054,896.97/6,651.17
  6. Step 6: Final answer
    x = 5,270.49

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1.5x scale

Why These Related Problems?

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