Home / 5,529.13-7,629.80-3,170.81

Finding the Fourth Proportional to 5,529.13, 7,629.80 and 3,170.81

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Solution

The fourth proportional to 5,529.13, 7,629.80 and 3,170.81 is: 4,375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.13 : 7,629.80 = 3,170.81 : x
  2. Step 2: Convert to fraction form
    5,529.13/7,629.80 = 3,170.81/x
  3. Step 3: Cross multiply
    5,529.13x = 7,629.80 × 3,170.81
  4. Step 4: Simplify right side
    5,529.13x = 24,192,649.36
  5. Step 5: Solve for x
    x = 24,192,649.36/5,529.13
  6. Step 6: Final answer
    x = 4,375.49

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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.