Home / 5,444.56-8,170.47-1,981.81

Finding the Fourth Proportional to 5,444.56, 8,170.47 and 1,981.81

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Solution

The fourth proportional to 5,444.56, 8,170.47 and 1,981.81 is: 2,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,444.56 : 8,170.47 = 1,981.81 : x
  2. Step 2: Convert to fraction form
    5,444.56/8,170.47 = 1,981.81/x
  3. Step 3: Cross multiply
    5,444.56x = 8,170.47 × 1,981.81
  4. Step 4: Simplify right side
    5,444.56x = 16,192,298.72
  5. Step 5: Solve for x
    x = 16,192,298.72/5,444.56
  6. Step 6: Final answer
    x = 2,974.03

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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.