Home / 6,379.11-9,570.38-1,996.65

Finding the Fourth Proportional to 6,379.11, 9,570.38 and 1,996.65

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Solution

The fourth proportional to 6,379.11, 9,570.38 and 1,996.65 is: 2,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.11 : 9,570.38 = 1,996.65 : x
  2. Step 2: Convert to fraction form
    6,379.11/9,570.38 = 1,996.65/x
  3. Step 3: Cross multiply
    6,379.11x = 9,570.38 × 1,996.65
  4. Step 4: Simplify right side
    6,379.11x = 19,108,689.24
  5. Step 5: Solve for x
    x = 19,108,689.24/6,379.11
  6. Step 6: Final answer
    x = 2,995.51

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Double scale
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1.5x scale

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.