Home / 5,407.13-8,110.76-1,944.38

Finding the Fourth Proportional to 5,407.13, 8,110.76 and 1,944.38

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Solution

The fourth proportional to 5,407.13, 8,110.76 and 1,944.38 is: 2,916.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.13 : 8,110.76 = 1,944.38 : x
  2. Step 2: Convert to fraction form
    5,407.13/8,110.76 = 1,944.38/x
  3. Step 3: Cross multiply
    5,407.13x = 8,110.76 × 1,944.38
  4. Step 4: Simplify right side
    5,407.13x = 15,770,349.25
  5. Step 5: Solve for x
    x = 15,770,349.25/5,407.13
  6. Step 6: Final answer
    x = 2,916.59

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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.