Home / 4,165.24-6,248.62-1,391.64

Finding the Fourth Proportional to 4,165.24, 6,248.62 and 1,391.64

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Solution

The fourth proportional to 4,165.24, 6,248.62 and 1,391.64 is: 2,087.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.24 : 6,248.62 = 1,391.64 : x
  2. Step 2: Convert to fraction form
    4,165.24/6,248.62 = 1,391.64/x
  3. Step 3: Cross multiply
    4,165.24x = 6,248.62 × 1,391.64
  4. Step 4: Simplify right side
    4,165.24x = 8,695,829.54
  5. Step 5: Solve for x
    x = 8,695,829.54/4,165.24
  6. Step 6: Final answer
    x = 2,087.71

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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.