Home / 8,501.44-12,755.04-5,216.80

Finding the Fourth Proportional to 8,501.44, 12,755.04 and 5,216.80

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Solution

The fourth proportional to 8,501.44, 12,755.04 and 5,216.80 is: 7,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.44 : 12,755.04 = 5,216.80 : x
  2. Step 2: Convert to fraction form
    8,501.44/12,755.04 = 5,216.80/x
  3. Step 3: Cross multiply
    8,501.44x = 12,755.04 × 5,216.80
  4. Step 4: Simplify right side
    8,501.44x = 66,540,492.67
  5. Step 5: Solve for x
    x = 66,540,492.67/8,501.44
  6. Step 6: Final answer
    x = 7,826.97

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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.