Home / 8,492.49-12,743.70-3,561.75

Finding the Fourth Proportional to 8,492.49, 12,743.70 and 3,561.75

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Solution

The fourth proportional to 8,492.49, 12,743.70 and 3,561.75 is: 5,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.49 : 12,743.70 = 3,561.75 : x
  2. Step 2: Convert to fraction form
    8,492.49/12,743.70 = 3,561.75/x
  3. Step 3: Cross multiply
    8,492.49x = 12,743.70 × 3,561.75
  4. Step 4: Simplify right side
    8,492.49x = 45,389,873.48
  5. Step 5: Solve for x
    x = 45,389,873.48/8,492.49
  6. Step 6: Final answer
    x = 5,344.71

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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.