Home / 4,679.35-7,012.96-1,902.79

Finding the Fourth Proportional to 4,679.35, 7,012.96 and 1,902.79

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Solution

The fourth proportional to 4,679.35, 7,012.96 and 1,902.79 is: 2,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.35 : 7,012.96 = 1,902.79 : x
  2. Step 2: Convert to fraction form
    4,679.35/7,012.96 = 1,902.79/x
  3. Step 3: Cross multiply
    4,679.35x = 7,012.96 × 1,902.79
  4. Step 4: Simplify right side
    4,679.35x = 13,344,180.64
  5. Step 5: Solve for x
    x = 13,344,180.64/4,679.35
  6. Step 6: Final answer
    x = 2,851.72

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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.