Home / 8,841.20-13,257.48-5,144.72

Finding the Fourth Proportional to 8,841.20, 13,257.48 and 5,144.72

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Solution

The fourth proportional to 8,841.20, 13,257.48 and 5,144.72 is: 7,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.20 : 13,257.48 = 5,144.72 : x
  2. Step 2: Convert to fraction form
    8,841.20/13,257.48 = 5,144.72/x
  3. Step 3: Cross multiply
    8,841.20x = 13,257.48 × 5,144.72
  4. Step 4: Simplify right side
    8,841.20x = 68,206,022.51
  5. Step 5: Solve for x
    x = 68,206,022.51/8,841.20
  6. Step 6: Final answer
    x = 7,714.57

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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.