Home / 8,541.02-12,811.07-2,617.90

Finding the Fourth Proportional to 8,541.02, 12,811.07 and 2,617.90

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Solution

The fourth proportional to 8,541.02, 12,811.07 and 2,617.90 is: 3,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.02 : 12,811.07 = 2,617.90 : x
  2. Step 2: Convert to fraction form
    8,541.02/12,811.07 = 2,617.90/x
  3. Step 3: Cross multiply
    8,541.02x = 12,811.07 × 2,617.90
  4. Step 4: Simplify right side
    8,541.02x = 33,538,100.15
  5. Step 5: Solve for x
    x = 33,538,100.15/8,541.02
  6. Step 6: Final answer
    x = 3,926.71

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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.