Home / 4,919.52-7,376.46-2,918.98

Finding the Fourth Proportional to 4,919.52, 7,376.46 and 2,918.98

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Solution

The fourth proportional to 4,919.52, 7,376.46 and 2,918.98 is: 4,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.52 : 7,376.46 = 2,918.98 : x
  2. Step 2: Convert to fraction form
    4,919.52/7,376.46 = 2,918.98/x
  3. Step 3: Cross multiply
    4,919.52x = 7,376.46 × 2,918.98
  4. Step 4: Simplify right side
    4,919.52x = 21,531,737.49
  5. Step 5: Solve for x
    x = 21,531,737.49/4,919.52
  6. Step 6: Final answer
    x = 4,376.79

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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.