Home / 3,921.21-5,889.11-3,595.59

Finding the Fourth Proportional to 3,921.21, 5,889.11 and 3,595.59

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Solution

The fourth proportional to 3,921.21, 5,889.11 and 3,595.59 is: 5,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.21 : 5,889.11 = 3,595.59 : x
  2. Step 2: Convert to fraction form
    3,921.21/5,889.11 = 3,595.59/x
  3. Step 3: Cross multiply
    3,921.21x = 5,889.11 × 3,595.59
  4. Step 4: Simplify right side
    3,921.21x = 21,174,807.05
  5. Step 5: Solve for x
    x = 21,174,807.05/3,921.21
  6. Step 6: Final answer
    x = 5,400.07

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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.