Home / 4,285.92-5,918.06-3,168.12

Finding the Fourth Proportional to 4,285.92, 5,918.06 and 3,168.12

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Solution

The fourth proportional to 4,285.92, 5,918.06 and 3,168.12 is: 4,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.92 : 5,918.06 = 3,168.12 : x
  2. Step 2: Convert to fraction form
    4,285.92/5,918.06 = 3,168.12/x
  3. Step 3: Cross multiply
    4,285.92x = 5,918.06 × 3,168.12
  4. Step 4: Simplify right side
    4,285.92x = 18,749,124.25
  5. Step 5: Solve for x
    x = 18,749,124.25/4,285.92
  6. Step 6: Final answer
    x = 4,374.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.