Home / 5,605.21-8,409.17-1,709.38

Finding the Fourth Proportional to 5,605.21, 8,409.17 and 1,709.38

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Solution

The fourth proportional to 5,605.21, 8,409.17 and 1,709.38 is: 2,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.21 : 8,409.17 = 1,709.38 : x
  2. Step 2: Convert to fraction form
    5,605.21/8,409.17 = 1,709.38/x
  3. Step 3: Cross multiply
    5,605.21x = 8,409.17 × 1,709.38
  4. Step 4: Simplify right side
    5,605.21x = 14,374,467.01
  5. Step 5: Solve for x
    x = 14,374,467.01/5,605.21
  6. Step 6: Final answer
    x = 2,564.48

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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.