Home / 5,407.29-8,111.25-1,944.54

Finding the Fourth Proportional to 5,407.29, 8,111.25 and 1,944.54

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Solution

The fourth proportional to 5,407.29, 8,111.25 and 1,944.54 is: 2,916.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.29 : 8,111.25 = 1,944.54 : x
  2. Step 2: Convert to fraction form
    5,407.29/8,111.25 = 1,944.54/x
  3. Step 3: Cross multiply
    5,407.29x = 8,111.25 × 1,944.54
  4. Step 4: Simplify right side
    5,407.29x = 15,772,650.08
  5. Step 5: Solve for x
    x = 15,772,650.08/5,407.29
  6. Step 6: Final answer
    x = 2,916.92

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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.