Home / 5,407.26-8,110.19-1,709.86

Finding the Fourth Proportional to 5,407.26, 8,110.19 and 1,709.86

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Solution

The fourth proportional to 5,407.26, 8,110.19 and 1,709.86 is: 2,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.26 : 8,110.19 = 1,709.86 : x
  2. Step 2: Convert to fraction form
    5,407.26/8,110.19 = 1,709.86/x
  3. Step 3: Cross multiply
    5,407.26x = 8,110.19 × 1,709.86
  4. Step 4: Simplify right side
    5,407.26x = 13,867,289.47
  5. Step 5: Solve for x
    x = 13,867,289.47/5,407.26
  6. Step 6: Final answer
    x = 2,564.57

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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.