Home / 5,174.26-7,756.79-1,886.74

Finding the Fourth Proportional to 5,174.26, 7,756.79 and 1,886.74

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Solution

The fourth proportional to 5,174.26, 7,756.79 and 1,886.74 is: 2,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.26 : 7,756.79 = 1,886.74 : x
  2. Step 2: Convert to fraction form
    5,174.26/7,756.79 = 1,886.74/x
  3. Step 3: Cross multiply
    5,174.26x = 7,756.79 × 1,886.74
  4. Step 4: Simplify right side
    5,174.26x = 14,635,045.96
  5. Step 5: Solve for x
    x = 14,635,045.96/5,174.26
  6. Step 6: Final answer
    x = 2,828.43

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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.