Home / 5,182.57-7,767.69-2,986.75

Finding the Fourth Proportional to 5,182.57, 7,767.69 and 2,986.75

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Solution

The fourth proportional to 5,182.57, 7,767.69 and 2,986.75 is: 4,476.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.57 : 7,767.69 = 2,986.75 : x
  2. Step 2: Convert to fraction form
    5,182.57/7,767.69 = 2,986.75/x
  3. Step 3: Cross multiply
    5,182.57x = 7,767.69 × 2,986.75
  4. Step 4: Simplify right side
    5,182.57x = 23,200,148.11
  5. Step 5: Solve for x
    x = 23,200,148.11/5,182.57
  6. Step 6: Final answer
    x = 4,476.57

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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.