Home / 4,165.96-6,247.68-1,391.92

Finding the Fourth Proportional to 4,165.96, 6,247.68 and 1,391.92

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Solution

The fourth proportional to 4,165.96, 6,247.68 and 1,391.92 is: 2,087.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.96 : 6,247.68 = 1,391.92 : x
  2. Step 2: Convert to fraction form
    4,165.96/6,247.68 = 1,391.92/x
  3. Step 3: Cross multiply
    4,165.96x = 6,247.68 × 1,391.92
  4. Step 4: Simplify right side
    4,165.96x = 8,696,270.75
  5. Step 5: Solve for x
    x = 8,696,270.75/4,165.96
  6. Step 6: Final answer
    x = 2,087.46

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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.