Home / 4,380.72-6,571.08-1,782.96

Finding the Fourth Proportional to 4,380.72, 6,571.08 and 1,782.96

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Solution

The fourth proportional to 4,380.72, 6,571.08 and 1,782.96 is: 2,674.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.72 : 6,571.08 = 1,782.96 : x
  2. Step 2: Convert to fraction form
    4,380.72/6,571.08 = 1,782.96/x
  3. Step 3: Cross multiply
    4,380.72x = 6,571.08 × 1,782.96
  4. Step 4: Simplify right side
    4,380.72x = 11,715,972.80
  5. Step 5: Solve for x
    x = 11,715,972.80/4,380.72
  6. Step 6: Final answer
    x = 2,674.44

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1.5x scale

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.