Home / 5,690.17-8,522.79-2,912.05

Finding the Fourth Proportional to 5,690.17, 8,522.79 and 2,912.05

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Solution

The fourth proportional to 5,690.17, 8,522.79 and 2,912.05 is: 4,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.17 : 8,522.79 = 2,912.05 : x
  2. Step 2: Convert to fraction form
    5,690.17/8,522.79 = 2,912.05/x
  3. Step 3: Cross multiply
    5,690.17x = 8,522.79 × 2,912.05
  4. Step 4: Simplify right side
    5,690.17x = 24,818,790.62
  5. Step 5: Solve for x
    x = 24,818,790.62/5,690.17
  6. Step 6: Final answer
    x = 4,361.70

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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.