Home / 4,951.35-7,424.85-1,487.79

Finding the Fourth Proportional to 4,951.35, 7,424.85 and 1,487.79

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Solution

The fourth proportional to 4,951.35, 7,424.85 and 1,487.79 is: 2,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.35 : 7,424.85 = 1,487.79 : x
  2. Step 2: Convert to fraction form
    4,951.35/7,424.85 = 1,487.79/x
  3. Step 3: Cross multiply
    4,951.35x = 7,424.85 × 1,487.79
  4. Step 4: Simplify right side
    4,951.35x = 11,046,617.58
  5. Step 5: Solve for x
    x = 11,046,617.58/4,951.35
  6. Step 6: Final answer
    x = 2,231.03

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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.