Home / 8,085.21-12,126.39-2,242.27

Finding the Fourth Proportional to 8,085.21, 12,126.39 and 2,242.27

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Solution

The fourth proportional to 8,085.21, 12,126.39 and 2,242.27 is: 3,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.21 : 12,126.39 = 2,242.27 : x
  2. Step 2: Convert to fraction form
    8,085.21/12,126.39 = 2,242.27/x
  3. Step 3: Cross multiply
    8,085.21x = 12,126.39 × 2,242.27
  4. Step 4: Simplify right side
    8,085.21x = 27,190,640.51
  5. Step 5: Solve for x
    x = 27,190,640.51/8,085.21
  6. Step 6: Final answer
    x = 3,363.01

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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.