Home / 4,380.38-6,571.50-1,260.36

Finding the Fourth Proportional to 4,380.38, 6,571.50 and 1,260.36

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Solution

The fourth proportional to 4,380.38, 6,571.50 and 1,260.36 is: 1,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.38 : 6,571.50 = 1,260.36 : x
  2. Step 2: Convert to fraction form
    4,380.38/6,571.50 = 1,260.36/x
  3. Step 3: Cross multiply
    4,380.38x = 6,571.50 × 1,260.36
  4. Step 4: Simplify right side
    4,380.38x = 8,282,455.74
  5. Step 5: Solve for x
    x = 8,282,455.74/4,380.38
  6. Step 6: Final answer
    x = 1,890.81

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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.