Home / 10,461.22-15,691.77-2,563.78

Finding the Fourth Proportional to 10,461.22, 15,691.77 and 2,563.78

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Solution

The fourth proportional to 10,461.22, 15,691.77 and 2,563.78 is: 3,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.22 : 15,691.77 = 2,563.78 : x
  2. Step 2: Convert to fraction form
    10,461.22/15,691.77 = 2,563.78/x
  3. Step 3: Cross multiply
    10,461.22x = 15,691.77 × 2,563.78
  4. Step 4: Simplify right side
    10,461.22x = 40,230,246.09
  5. Step 5: Solve for x
    x = 40,230,246.09/10,461.22
  6. Step 6: Final answer
    x = 3,845.66

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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.