Home / 4,285.94-6,427.40-2,906.86

Finding the Fourth Proportional to 4,285.94, 6,427.40 and 2,906.86

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Solution

The fourth proportional to 4,285.94, 6,427.40 and 2,906.86 is: 4,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.94 : 6,427.40 = 2,906.86 : x
  2. Step 2: Convert to fraction form
    4,285.94/6,427.40 = 2,906.86/x
  3. Step 3: Cross multiply
    4,285.94x = 6,427.40 × 2,906.86
  4. Step 4: Simplify right side
    4,285.94x = 18,683,551.96
  5. Step 5: Solve for x
    x = 18,683,551.96/4,285.94
  6. Step 6: Final answer
    x = 4,359.27

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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.