Home / 6,154.10-9,231.15-2,690.54

Finding the Fourth Proportional to 6,154.10, 9,231.15 and 2,690.54

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Solution

The fourth proportional to 6,154.10, 9,231.15 and 2,690.54 is: 4,035.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,154.10 : 9,231.15 = 2,690.54 : x
  2. Step 2: Convert to fraction form
    6,154.10/9,231.15 = 2,690.54/x
  3. Step 3: Cross multiply
    6,154.10x = 9,231.15 × 2,690.54
  4. Step 4: Simplify right side
    6,154.10x = 24,836,778.32
  5. Step 5: Solve for x
    x = 24,836,778.32/6,154.10
  6. Step 6: Final answer
    x = 4,035.81

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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.