Home / 5,176.20-7,764.43-1,889.29

Finding the Fourth Proportional to 5,176.20, 7,764.43 and 1,889.29

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Solution

The fourth proportional to 5,176.20, 7,764.43 and 1,889.29 is: 2,833.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.20 : 7,764.43 = 1,889.29 : x
  2. Step 2: Convert to fraction form
    5,176.20/7,764.43 = 1,889.29/x
  3. Step 3: Cross multiply
    5,176.20x = 7,764.43 × 1,889.29
  4. Step 4: Simplify right side
    5,176.20x = 14,669,264.94
  5. Step 5: Solve for x
    x = 14,669,264.94/5,176.20
  6. Step 6: Final answer
    x = 2,833.98

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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.