Home / 4,988.50-7,463.94-2,979.75

Finding the Fourth Proportional to 4,988.50, 7,463.94 and 2,979.75

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Solution

The fourth proportional to 4,988.50, 7,463.94 and 2,979.75 is: 4,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.50 : 7,463.94 = 2,979.75 : x
  2. Step 2: Convert to fraction form
    4,988.50/7,463.94 = 2,979.75/x
  3. Step 3: Cross multiply
    4,988.50x = 7,463.94 × 2,979.75
  4. Step 4: Simplify right side
    4,988.50x = 22,240,637.90
  5. Step 5: Solve for x
    x = 22,240,637.90/4,988.50
  6. Step 6: Final answer
    x = 4,458.38

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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.