Home / 5,986.65-8,979.44-2,090.82

Finding the Fourth Proportional to 5,986.65, 8,979.44 and 2,090.82

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Solution

The fourth proportional to 5,986.65, 8,979.44 and 2,090.82 is: 3,136.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.65 : 8,979.44 = 2,090.82 : x
  2. Step 2: Convert to fraction form
    5,986.65/8,979.44 = 2,090.82/x
  3. Step 3: Cross multiply
    5,986.65x = 8,979.44 × 2,090.82
  4. Step 4: Simplify right side
    5,986.65x = 18,774,382.29
  5. Step 5: Solve for x
    x = 18,774,382.29/5,986.65
  6. Step 6: Final answer
    x = 3,136.04

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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.