Home / 5,528.30-8,290.11-1,631.66

Finding the Fourth Proportional to 5,528.30, 8,290.11 and 1,631.66

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Solution

The fourth proportional to 5,528.30, 8,290.11 and 1,631.66 is: 2,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.30 : 8,290.11 = 1,631.66 : x
  2. Step 2: Convert to fraction form
    5,528.30/8,290.11 = 1,631.66/x
  3. Step 3: Cross multiply
    5,528.30x = 8,290.11 × 1,631.66
  4. Step 4: Simplify right side
    5,528.30x = 13,526,640.88
  5. Step 5: Solve for x
    x = 13,526,640.88/5,528.30
  6. Step 6: Final answer
    x = 2,446.80

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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.