Home / 5,176.26-7,767.57-2,055.72

Finding the Fourth Proportional to 5,176.26, 7,767.57 and 2,055.72

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Solution

The fourth proportional to 5,176.26, 7,767.57 and 2,055.72 is: 3,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.26 : 7,767.57 = 2,055.72 : x
  2. Step 2: Convert to fraction form
    5,176.26/7,767.57 = 2,055.72/x
  3. Step 3: Cross multiply
    5,176.26x = 7,767.57 × 2,055.72
  4. Step 4: Simplify right side
    5,176.26x = 15,967,949.00
  5. Step 5: Solve for x
    x = 15,967,949.00/5,176.26
  6. Step 6: Final answer
    x = 3,084.84

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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.