Home / 5,162.08-7,119.74-3,571.37

Finding the Fourth Proportional to 5,162.08, 7,119.74 and 3,571.37

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Solution

The fourth proportional to 5,162.08, 7,119.74 and 3,571.37 is: 4,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.08 : 7,119.74 = 3,571.37 : x
  2. Step 2: Convert to fraction form
    5,162.08/7,119.74 = 3,571.37/x
  3. Step 3: Cross multiply
    5,162.08x = 7,119.74 × 3,571.37
  4. Step 4: Simplify right side
    5,162.08x = 25,427,252.57
  5. Step 5: Solve for x
    x = 25,427,252.57/5,162.08
  6. Step 6: Final answer
    x = 4,925.78

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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.