Home / 8,541.05-12,812.94-2,697.21

Finding the Fourth Proportional to 8,541.05, 12,812.94 and 2,697.21

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Solution

The fourth proportional to 8,541.05, 12,812.94 and 2,697.21 is: 4,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.05 : 12,812.94 = 2,697.21 : x
  2. Step 2: Convert to fraction form
    8,541.05/12,812.94 = 2,697.21/x
  3. Step 3: Cross multiply
    8,541.05x = 12,812.94 × 2,697.21
  4. Step 4: Simplify right side
    8,541.05x = 34,559,189.90
  5. Step 5: Solve for x
    x = 34,559,189.90/8,541.05
  6. Step 6: Final answer
    x = 4,046.25

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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.