Home / 8,541.26-12,809.10-3,275.98

Finding the Fourth Proportional to 8,541.26, 12,809.10 and 3,275.98

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Solution

The fourth proportional to 8,541.26, 12,809.10 and 3,275.98 is: 4,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.26 : 12,809.10 = 3,275.98 : x
  2. Step 2: Convert to fraction form
    8,541.26/12,809.10 = 3,275.98/x
  3. Step 3: Cross multiply
    8,541.26x = 12,809.10 × 3,275.98
  4. Step 4: Simplify right side
    8,541.26x = 41,962,355.42
  5. Step 5: Solve for x
    x = 41,962,355.42/8,541.26
  6. Step 6: Final answer
    x = 4,912.90

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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.