Home / 8,745.34-13,118.17-3,198.68

Finding the Fourth Proportional to 8,745.34, 13,118.17 and 3,198.68

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Solution

The fourth proportional to 8,745.34, 13,118.17 and 3,198.68 is: 4,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.34 : 13,118.17 = 3,198.68 : x
  2. Step 2: Convert to fraction form
    8,745.34/13,118.17 = 3,198.68/x
  3. Step 3: Cross multiply
    8,745.34x = 13,118.17 × 3,198.68
  4. Step 4: Simplify right side
    8,745.34x = 41,960,828.02
  5. Step 5: Solve for x
    x = 41,960,828.02/8,745.34
  6. Step 6: Final answer
    x = 4,798.08

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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.