Home / 5,677.44-8,513.34-1,979.88

Finding the Fourth Proportional to 5,677.44, 8,513.34 and 1,979.88

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Solution

The fourth proportional to 5,677.44, 8,513.34 and 1,979.88 is: 2,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.44 : 8,513.34 = 1,979.88 : x
  2. Step 2: Convert to fraction form
    5,677.44/8,513.34 = 1,979.88/x
  3. Step 3: Cross multiply
    5,677.44x = 8,513.34 × 1,979.88
  4. Step 4: Simplify right side
    5,677.44x = 16,855,391.60
  5. Step 5: Solve for x
    x = 16,855,391.60/5,677.44
  6. Step 6: Final answer
    x = 2,968.84

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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.