Home / 5,581.07-8,369.64-1,631.27

Finding the Fourth Proportional to 5,581.07, 8,369.64 and 1,631.27

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Solution

The fourth proportional to 5,581.07, 8,369.64 and 1,631.27 is: 2,446.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.07 : 8,369.64 = 1,631.27 : x
  2. Step 2: Convert to fraction form
    5,581.07/8,369.64 = 1,631.27/x
  3. Step 3: Cross multiply
    5,581.07x = 8,369.64 × 1,631.27
  4. Step 4: Simplify right side
    5,581.07x = 13,653,142.64
  5. Step 5: Solve for x
    x = 13,653,142.64/5,581.07
  6. Step 6: Final answer
    x = 2,446.33

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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.