Home / 5,446.31-8,173.10-1,983.56

Finding the Fourth Proportional to 5,446.31, 8,173.10 and 1,983.56

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Solution

The fourth proportional to 5,446.31, 8,173.10 and 1,983.56 is: 2,976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.31 : 8,173.10 = 1,983.56 : x
  2. Step 2: Convert to fraction form
    5,446.31/8,173.10 = 1,983.56/x
  3. Step 3: Cross multiply
    5,446.31x = 8,173.10 × 1,983.56
  4. Step 4: Simplify right side
    5,446.31x = 16,211,834.24
  5. Step 5: Solve for x
    x = 16,211,834.24/5,446.31
  6. Step 6: Final answer
    x = 2,976.66

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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.