Home / 5,176.34-7,765.66-1,889.43

Finding the Fourth Proportional to 5,176.34, 7,765.66 and 1,889.43

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Solution

The fourth proportional to 5,176.34, 7,765.66 and 1,889.43 is: 2,834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.34 : 7,765.66 = 1,889.43 : x
  2. Step 2: Convert to fraction form
    5,176.34/7,765.66 = 1,889.43/x
  3. Step 3: Cross multiply
    5,176.34x = 7,765.66 × 1,889.43
  4. Step 4: Simplify right side
    5,176.34x = 14,672,641.56
  5. Step 5: Solve for x
    x = 14,672,641.56/5,176.34
  6. Step 6: Final answer
    x = 2,834.56

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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.