Home / 4,750.87-7,127.21-1,976.04

Finding the Fourth Proportional to 4,750.87, 7,127.21 and 1,976.04

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Solution

The fourth proportional to 4,750.87, 7,127.21 and 1,976.04 is: 2,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.87 : 7,127.21 = 1,976.04 : x
  2. Step 2: Convert to fraction form
    4,750.87/7,127.21 = 1,976.04/x
  3. Step 3: Cross multiply
    4,750.87x = 7,127.21 × 1,976.04
  4. Step 4: Simplify right side
    4,750.87x = 14,083,652.05
  5. Step 5: Solve for x
    x = 14,083,652.05/4,750.87
  6. Step 6: Final answer
    x = 2,964.44

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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.