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Finding the Fourth Proportional to 5,522.12, 8,283 and 2,402.12

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Solution

The fourth proportional to 5,522.12, 8,283 and 2,402.12 is: 3,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.12 : 8,283 = 2,402.12 : x
  2. Step 2: Convert to fraction form
    5,522.12/8,283 = 2,402.12/x
  3. Step 3: Cross multiply
    5,522.12x = 8,283 × 2,402.12
  4. Step 4: Simplify right side
    5,522.12x = 19,896,759.96
  5. Step 5: Solve for x
    x = 19,896,759.96/5,522.12
  6. Step 6: Final answer
    x = 3,603.10

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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.