Home / 5,491.49-8,218.09-4,492.76

Finding the Fourth Proportional to 5,491.49, 8,218.09 and 4,492.76

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Solution

The fourth proportional to 5,491.49, 8,218.09 and 4,492.76 is: 6,723.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.49 : 8,218.09 = 4,492.76 : x
  2. Step 2: Convert to fraction form
    5,491.49/8,218.09 = 4,492.76/x
  3. Step 3: Cross multiply
    5,491.49x = 8,218.09 × 4,492.76
  4. Step 4: Simplify right side
    5,491.49x = 36,921,906.03
  5. Step 5: Solve for x
    x = 36,921,906.03/5,491.49
  6. Step 6: Final answer
    x = 6,723.48

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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.