Home / 8,018.19-12,029.72-3,634.47

Finding the Fourth Proportional to 8,018.19, 12,029.72 and 3,634.47

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Solution

The fourth proportional to 8,018.19, 12,029.72 and 3,634.47 is: 5,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.19 : 12,029.72 = 3,634.47 : x
  2. Step 2: Convert to fraction form
    8,018.19/12,029.72 = 3,634.47/x
  3. Step 3: Cross multiply
    8,018.19x = 12,029.72 × 3,634.47
  4. Step 4: Simplify right side
    8,018.19x = 43,721,638.28
  5. Step 5: Solve for x
    x = 43,721,638.28/8,018.19
  6. Step 6: Final answer
    x = 5,452.81

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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.