Home / 8,817.63-13,226.25-2,154.15

Finding the Fourth Proportional to 8,817.63, 13,226.25 and 2,154.15

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Solution

The fourth proportional to 8,817.63, 13,226.25 and 2,154.15 is: 3,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.63 : 13,226.25 = 2,154.15 : x
  2. Step 2: Convert to fraction form
    8,817.63/13,226.25 = 2,154.15/x
  3. Step 3: Cross multiply
    8,817.63x = 13,226.25 × 2,154.15
  4. Step 4: Simplify right side
    8,817.63x = 28,491,326.44
  5. Step 5: Solve for x
    x = 28,491,326.44/8,817.63
  6. Step 6: Final answer
    x = 3,231.18

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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.