Home / 4,758.96-6,568.56-2,990.64

Finding the Fourth Proportional to 4,758.96, 6,568.56 and 2,990.64

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Solution

The fourth proportional to 4,758.96, 6,568.56 and 2,990.64 is: 4,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.96 : 6,568.56 = 2,990.64 : x
  2. Step 2: Convert to fraction form
    4,758.96/6,568.56 = 2,990.64/x
  3. Step 3: Cross multiply
    4,758.96x = 6,568.56 × 2,990.64
  4. Step 4: Simplify right side
    4,758.96x = 19,644,198.28
  5. Step 5: Solve for x
    x = 19,644,198.28/4,758.96
  6. Step 6: Final answer
    x = 4,127.83

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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.