Home / 8,040.24-12,049.32-4,136.40

Finding the Fourth Proportional to 8,040.24, 12,049.32 and 4,136.40

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Solution

The fourth proportional to 8,040.24, 12,049.32 and 4,136.40 is: 6,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.24 : 12,049.32 = 4,136.40 : x
  2. Step 2: Convert to fraction form
    8,040.24/12,049.32 = 4,136.40/x
  3. Step 3: Cross multiply
    8,040.24x = 12,049.32 × 4,136.40
  4. Step 4: Simplify right side
    8,040.24x = 49,840,807.25
  5. Step 5: Solve for x
    x = 49,840,807.25/8,040.24
  6. Step 6: Final answer
    x = 6,198.92

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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.