Home / 5,979.30-8,968.95-2,082.80

Finding the Fourth Proportional to 5,979.30, 8,968.95 and 2,082.80

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Solution

The fourth proportional to 5,979.30, 8,968.95 and 2,082.80 is: 3,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.30 : 8,968.95 = 2,082.80 : x
  2. Step 2: Convert to fraction form
    5,979.30/8,968.95 = 2,082.80/x
  3. Step 3: Cross multiply
    5,979.30x = 8,968.95 × 2,082.80
  4. Step 4: Simplify right side
    5,979.30x = 18,680,484.22
  5. Step 5: Solve for x
    x = 18,680,484.22/5,979.30
  6. Step 6: Final answer
    x = 3,124.19

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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.