Home / 8,407.21-12,610.79-2,563.81

Finding the Fourth Proportional to 8,407.21, 12,610.79 and 2,563.81

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Solution

The fourth proportional to 8,407.21, 12,610.79 and 2,563.81 is: 3,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.21 : 12,610.79 = 2,563.81 : x
  2. Step 2: Convert to fraction form
    8,407.21/12,610.79 = 2,563.81/x
  3. Step 3: Cross multiply
    8,407.21x = 12,610.79 × 2,563.81
  4. Step 4: Simplify right side
    8,407.21x = 32,331,593.64
  5. Step 5: Solve for x
    x = 32,331,593.64/8,407.21
  6. Step 6: Final answer
    x = 3,845.70

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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.