Home / 5,431.93-8,147.72-1,734.39

Finding the Fourth Proportional to 5,431.93, 8,147.72 and 1,734.39

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Solution

The fourth proportional to 5,431.93, 8,147.72 and 1,734.39 is: 2,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.93 : 8,147.72 = 1,734.39 : x
  2. Step 2: Convert to fraction form
    5,431.93/8,147.72 = 1,734.39/x
  3. Step 3: Cross multiply
    5,431.93x = 8,147.72 × 1,734.39
  4. Step 4: Simplify right side
    5,431.93x = 14,131,324.09
  5. Step 5: Solve for x
    x = 14,131,324.09/5,431.93
  6. Step 6: Final answer
    x = 2,601.53

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1.5x scale

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.