Home / 8,021.64-12,032.92-3,639.44

Finding the Fourth Proportional to 8,021.64, 12,032.92 and 3,639.44

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Solution

The fourth proportional to 8,021.64, 12,032.92 and 3,639.44 is: 5,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.64 : 12,032.92 = 3,639.44 : x
  2. Step 2: Convert to fraction form
    8,021.64/12,032.92 = 3,639.44/x
  3. Step 3: Cross multiply
    8,021.64x = 12,032.92 × 3,639.44
  4. Step 4: Simplify right side
    8,021.64x = 43,793,090.36
  5. Step 5: Solve for x
    x = 43,793,090.36/8,021.64
  6. Step 6: Final answer
    x = 5,459.37

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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.