Home / 4,267.89-6,401.81-1,928.71

Finding the Fourth Proportional to 4,267.89, 6,401.81 and 1,928.71

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Solution

The fourth proportional to 4,267.89, 6,401.81 and 1,928.71 is: 2,893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.89 : 6,401.81 = 1,928.71 : x
  2. Step 2: Convert to fraction form
    4,267.89/6,401.81 = 1,928.71/x
  3. Step 3: Cross multiply
    4,267.89x = 6,401.81 × 1,928.71
  4. Step 4: Simplify right side
    4,267.89x = 12,347,234.97
  5. Step 5: Solve for x
    x = 12,347,234.97/4,267.89
  6. Step 6: Final answer
    x = 2,893.05

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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.