Home / 4,486.92-6,728.94-1,889.34

Finding the Fourth Proportional to 4,486.92, 6,728.94 and 1,889.34

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Solution

The fourth proportional to 4,486.92, 6,728.94 and 1,889.34 is: 2,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.92 : 6,728.94 = 1,889.34 : x
  2. Step 2: Convert to fraction form
    4,486.92/6,728.94 = 1,889.34/x
  3. Step 3: Cross multiply
    4,486.92x = 6,728.94 × 1,889.34
  4. Step 4: Simplify right side
    4,486.92x = 12,713,255.50
  5. Step 5: Solve for x
    x = 12,713,255.50/4,486.92
  6. Step 6: Final answer
    x = 2,833.40

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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.