Home / 4,373.88-6,558.42-2,988.78

Finding the Fourth Proportional to 4,373.88, 6,558.42 and 2,988.78

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Solution

The fourth proportional to 4,373.88, 6,558.42 and 2,988.78 is: 4,481.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,373.88 : 6,558.42 = 2,988.78 : x
  2. Step 2: Convert to fraction form
    4,373.88/6,558.42 = 2,988.78/x
  3. Step 3: Cross multiply
    4,373.88x = 6,558.42 × 2,988.78
  4. Step 4: Simplify right side
    4,373.88x = 19,601,659.58
  5. Step 5: Solve for x
    x = 19,601,659.58/4,373.88
  6. Step 6: Final answer
    x = 4,481.53

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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.