Home / 5,919.37-8,169.69-3,529.64

Finding the Fourth Proportional to 5,919.37, 8,169.69 and 3,529.64

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Solution

The fourth proportional to 5,919.37, 8,169.69 and 3,529.64 is: 4,871.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.37 : 8,169.69 = 3,529.64 : x
  2. Step 2: Convert to fraction form
    5,919.37/8,169.69 = 3,529.64/x
  3. Step 3: Cross multiply
    5,919.37x = 8,169.69 × 3,529.64
  4. Step 4: Simplify right side
    5,919.37x = 28,836,064.61
  5. Step 5: Solve for x
    x = 28,836,064.61/5,919.37
  6. Step 6: Final answer
    x = 4,871.48

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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.