Home / 8,885.43-13,308.98-4,198.37

Finding the Fourth Proportional to 8,885.43, 13,308.98 and 4,198.37

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Solution

The fourth proportional to 8,885.43, 13,308.98 and 4,198.37 is: 6,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.43 : 13,308.98 = 4,198.37 : x
  2. Step 2: Convert to fraction form
    8,885.43/13,308.98 = 4,198.37/x
  3. Step 3: Cross multiply
    8,885.43x = 13,308.98 × 4,198.37
  4. Step 4: Simplify right side
    8,885.43x = 55,875,934.83
  5. Step 5: Solve for x
    x = 55,875,934.83/8,885.43
  6. Step 6: Final answer
    x = 6,288.49

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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.