Home / 5,274.06-7,911.96-2,155.74

Finding the Fourth Proportional to 5,274.06, 7,911.96 and 2,155.74

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Solution

The fourth proportional to 5,274.06, 7,911.96 and 2,155.74 is: 3,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.06 : 7,911.96 = 2,155.74 : x
  2. Step 2: Convert to fraction form
    5,274.06/7,911.96 = 2,155.74/x
  3. Step 3: Cross multiply
    5,274.06x = 7,911.96 × 2,155.74
  4. Step 4: Simplify right side
    5,274.06x = 17,056,128.65
  5. Step 5: Solve for x
    x = 17,056,128.65/5,274.06
  6. Step 6: Final answer
    x = 3,233.97

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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.