Home / 5,919.37-8,881.69-3,145.37

Finding the Fourth Proportional to 5,919.37, 8,881.69 and 3,145.37

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Solution

The fourth proportional to 5,919.37, 8,881.69 and 3,145.37 is: 4,719.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.37 : 8,881.69 = 3,145.37 : x
  2. Step 2: Convert to fraction form
    5,919.37/8,881.69 = 3,145.37/x
  3. Step 3: Cross multiply
    5,919.37x = 8,881.69 × 3,145.37
  4. Step 4: Simplify right side
    5,919.37x = 27,936,201.28
  5. Step 5: Solve for x
    x = 27,936,201.28/5,919.37
  6. Step 6: Final answer
    x = 4,719.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.