Home / 8,571.41-12,860.93-5,450.58

Finding the Fourth Proportional to 8,571.41, 12,860.93 and 5,450.58

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Solution

The fourth proportional to 8,571.41, 12,860.93 and 5,450.58 is: 8,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.41 : 12,860.93 = 5,450.58 : x
  2. Step 2: Convert to fraction form
    8,571.41/12,860.93 = 5,450.58/x
  3. Step 3: Cross multiply
    8,571.41x = 12,860.93 × 5,450.58
  4. Step 4: Simplify right side
    8,571.41x = 70,099,527.84
  5. Step 5: Solve for x
    x = 70,099,527.84/8,571.41
  6. Step 6: Final answer
    x = 8,178.30

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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.