Home / 5,431.68-8,147.35-1,734.14

Finding the Fourth Proportional to 5,431.68, 8,147.35 and 1,734.14

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Solution

The fourth proportional to 5,431.68, 8,147.35 and 1,734.14 is: 2,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.68 : 8,147.35 = 1,734.14 : x
  2. Step 2: Convert to fraction form
    5,431.68/8,147.35 = 1,734.14/x
  3. Step 3: Cross multiply
    5,431.68x = 8,147.35 × 1,734.14
  4. Step 4: Simplify right side
    5,431.68x = 14,128,596.12
  5. Step 5: Solve for x
    x = 14,128,596.12/5,431.68
  6. Step 6: Final answer
    x = 2,601.15

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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.