Home / 5,429.10-8,144.10-1,731.27

Finding the Fourth Proportional to 5,429.10, 8,144.10 and 1,731.27

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Solution

The fourth proportional to 5,429.10, 8,144.10 and 1,731.27 is: 2,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.10 : 8,144.10 = 1,731.27 : x
  2. Step 2: Convert to fraction form
    5,429.10/8,144.10 = 1,731.27/x
  3. Step 3: Cross multiply
    5,429.10x = 8,144.10 × 1,731.27
  4. Step 4: Simplify right side
    5,429.10x = 14,099,636.01
  5. Step 5: Solve for x
    x = 14,099,636.01/5,429.10
  6. Step 6: Final answer
    x = 2,597.05

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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.