Home / 4,789.18-6,609.90-3,021.76

Finding the Fourth Proportional to 4,789.18, 6,609.90 and 3,021.76

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Solution

The fourth proportional to 4,789.18, 6,609.90 and 3,021.76 is: 4,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.18 : 6,609.90 = 3,021.76 : x
  2. Step 2: Convert to fraction form
    4,789.18/6,609.90 = 3,021.76/x
  3. Step 3: Cross multiply
    4,789.18x = 6,609.90 × 3,021.76
  4. Step 4: Simplify right side
    4,789.18x = 19,973,531.42
  5. Step 5: Solve for x
    x = 19,973,531.42/4,789.18
  6. Step 6: Final answer
    x = 4,170.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.