Home / 4,225.92-6,338.80-1,914.72

Finding the Fourth Proportional to 4,225.92, 6,338.80 and 1,914.72

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Solution

The fourth proportional to 4,225.92, 6,338.80 and 1,914.72 is: 2,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.92 : 6,338.80 = 1,914.72 : x
  2. Step 2: Convert to fraction form
    4,225.92/6,338.80 = 1,914.72/x
  3. Step 3: Cross multiply
    4,225.92x = 6,338.80 × 1,914.72
  4. Step 4: Simplify right side
    4,225.92x = 12,137,027.14
  5. Step 5: Solve for x
    x = 12,137,027.14/4,225.92
  6. Step 6: Final answer
    x = 2,872.04

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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.