Home / 8,081.36-12,122.04-2,237.99

Finding the Fourth Proportional to 8,081.36, 12,122.04 and 2,237.99

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Solution

The fourth proportional to 8,081.36, 12,122.04 and 2,237.99 is: 3,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.36 : 12,122.04 = 2,237.99 : x
  2. Step 2: Convert to fraction form
    8,081.36/12,122.04 = 2,237.99/x
  3. Step 3: Cross multiply
    8,081.36x = 12,122.04 × 2,237.99
  4. Step 4: Simplify right side
    8,081.36x = 27,128,943.69
  5. Step 5: Solve for x
    x = 27,128,943.69/8,081.36
  6. Step 6: Final answer
    x = 3,356.98

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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.