Home / 8,857.22-12,223.58-5,081.54

Finding the Fourth Proportional to 8,857.22, 12,223.58 and 5,081.54

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Solution

The fourth proportional to 8,857.22, 12,223.58 and 5,081.54 is: 7,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.22 : 12,223.58 = 5,081.54 : x
  2. Step 2: Convert to fraction form
    8,857.22/12,223.58 = 5,081.54/x
  3. Step 3: Cross multiply
    8,857.22x = 12,223.58 × 5,081.54
  4. Step 4: Simplify right side
    8,857.22x = 62,114,524.19
  5. Step 5: Solve for x
    x = 62,114,524.19/8,857.22
  6. Step 6: Final answer
    x = 7,012.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.