Home / 5,169.52-7,133.87-2,811.66

Finding the Fourth Proportional to 5,169.52, 7,133.87 and 2,811.66

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Solution

The fourth proportional to 5,169.52, 7,133.87 and 2,811.66 is: 3,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.52 : 7,133.87 = 2,811.66 : x
  2. Step 2: Convert to fraction form
    5,169.52/7,133.87 = 2,811.66/x
  3. Step 3: Cross multiply
    5,169.52x = 7,133.87 × 2,811.66
  4. Step 4: Simplify right side
    5,169.52x = 20,058,037.33
  5. Step 5: Solve for x
    x = 20,058,037.33/5,169.52
  6. Step 6: Final answer
    x = 3,880.06

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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.