Home / 4,387.20-6,576.96-1,789.76

Finding the Fourth Proportional to 4,387.20, 6,576.96 and 1,789.76

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Solution

The fourth proportional to 4,387.20, 6,576.96 and 1,789.76 is: 2,683.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.20 : 6,576.96 = 1,789.76 : x
  2. Step 2: Convert to fraction form
    4,387.20/6,576.96 = 1,789.76/x
  3. Step 3: Cross multiply
    4,387.20x = 6,576.96 × 1,789.76
  4. Step 4: Simplify right side
    4,387.20x = 11,771,179.93
  5. Step 5: Solve for x
    x = 11,771,179.93/4,387.20
  6. Step 6: Final answer
    x = 2,683.07

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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.