Home / 5,531-7,633.34-3,172.92

Finding the Fourth Proportional to 5,531, 7,633.34 and 3,172.92

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Solution

The fourth proportional to 5,531, 7,633.34 and 3,172.92 is: 4,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531 : 7,633.34 = 3,172.92 : x
  2. Step 2: Convert to fraction form
    5,531/7,633.34 = 3,172.92/x
  3. Step 3: Cross multiply
    5,531x = 7,633.34 × 3,172.92
  4. Step 4: Simplify right side
    5,531x = 24,219,977.15
  5. Step 5: Solve for x
    x = 24,219,977.15/5,531
  6. Step 6: Final answer
    x = 4,378.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.