Home / 6,650.65-9,178.09-3,666.68

Finding the Fourth Proportional to 6,650.65, 9,178.09 and 3,666.68

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Solution

The fourth proportional to 6,650.65, 9,178.09 and 3,666.68 is: 5,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.65 : 9,178.09 = 3,666.68 : x
  2. Step 2: Convert to fraction form
    6,650.65/9,178.09 = 3,666.68/x
  3. Step 3: Cross multiply
    6,650.65x = 9,178.09 × 3,666.68
  4. Step 4: Simplify right side
    6,650.65x = 33,653,119.04
  5. Step 5: Solve for x
    x = 33,653,119.04/6,650.65
  6. Step 6: Final answer
    x = 5,060.12

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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.