Home / 5,418.34-8,126.31-1,522.66

Finding the Fourth Proportional to 5,418.34, 8,126.31 and 1,522.66

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Solution

The fourth proportional to 5,418.34, 8,126.31 and 1,522.66 is: 2,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.34 : 8,126.31 = 1,522.66 : x
  2. Step 2: Convert to fraction form
    5,418.34/8,126.31 = 1,522.66/x
  3. Step 3: Cross multiply
    5,418.34x = 8,126.31 × 1,522.66
  4. Step 4: Simplify right side
    5,418.34x = 12,373,607.18
  5. Step 5: Solve for x
    x = 12,373,607.18/5,418.34
  6. Step 6: Final answer
    x = 2,283.65

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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.