Home / 8,824.18-13,218.97-5,118.63

Finding the Fourth Proportional to 8,824.18, 13,218.97 and 5,118.63

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Solution

The fourth proportional to 8,824.18, 13,218.97 and 5,118.63 is: 7,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.18 : 13,218.97 = 5,118.63 : x
  2. Step 2: Convert to fraction form
    8,824.18/13,218.97 = 5,118.63/x
  3. Step 3: Cross multiply
    8,824.18x = 13,218.97 × 5,118.63
  4. Step 4: Simplify right side
    8,824.18x = 67,663,016.41
  5. Step 5: Solve for x
    x = 67,663,016.41/8,824.18
  6. Step 6: Final answer
    x = 7,667.91

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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.