Home / 8,571.13-12,860.52-5,450.30

Finding the Fourth Proportional to 8,571.13, 12,860.52 and 5,450.30

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Solution

The fourth proportional to 8,571.13, 12,860.52 and 5,450.30 is: 8,177.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.13 : 12,860.52 = 5,450.30 : x
  2. Step 2: Convert to fraction form
    8,571.13/12,860.52 = 5,450.30/x
  3. Step 3: Cross multiply
    8,571.13x = 12,860.52 × 5,450.30
  4. Step 4: Simplify right side
    8,571.13x = 70,093,692.16
  5. Step 5: Solve for x
    x = 70,093,692.16/8,571.13
  6. Step 6: Final answer
    x = 8,177.88

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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.