Home / 5,154.77-7,111.24-3,164.60

Finding the Fourth Proportional to 5,154.77, 7,111.24 and 3,164.60

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Solution

The fourth proportional to 5,154.77, 7,111.24 and 3,164.60 is: 4,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.77 : 7,111.24 = 3,164.60 : x
  2. Step 2: Convert to fraction form
    5,154.77/7,111.24 = 3,164.60/x
  3. Step 3: Cross multiply
    5,154.77x = 7,111.24 × 3,164.60
  4. Step 4: Simplify right side
    5,154.77x = 22,504,230.10
  5. Step 5: Solve for x
    x = 22,504,230.10/5,154.77
  6. Step 6: Final answer
    x = 4,365.71

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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.