Home / 8,211.94-12,319.13-3,017.41

Finding the Fourth Proportional to 8,211.94, 12,319.13 and 3,017.41

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Solution

The fourth proportional to 8,211.94, 12,319.13 and 3,017.41 is: 4,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.94 : 12,319.13 = 3,017.41 : x
  2. Step 2: Convert to fraction form
    8,211.94/12,319.13 = 3,017.41/x
  3. Step 3: Cross multiply
    8,211.94x = 12,319.13 × 3,017.41
  4. Step 4: Simplify right side
    8,211.94x = 37,171,866.05
  5. Step 5: Solve for x
    x = 37,171,866.05/8,211.94
  6. Step 6: Final answer
    x = 4,526.56

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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.