Home / 5,472.56-8,213.73-3,912.50

Finding the Fourth Proportional to 5,472.56, 8,213.73 and 3,912.50

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Solution

The fourth proportional to 5,472.56, 8,213.73 and 3,912.50 is: 5,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.56 : 8,213.73 = 3,912.50 : x
  2. Step 2: Convert to fraction form
    5,472.56/8,213.73 = 3,912.50/x
  3. Step 3: Cross multiply
    5,472.56x = 8,213.73 × 3,912.50
  4. Step 4: Simplify right side
    5,472.56x = 32,136,218.63
  5. Step 5: Solve for x
    x = 32,136,218.63/5,472.56
  6. Step 6: Final answer
    x = 5,872.25

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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.