Home / 8,817.85-13,226.90-3,269.05

Finding the Fourth Proportional to 8,817.85, 13,226.90 and 3,269.05

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Solution

The fourth proportional to 8,817.85, 13,226.90 and 3,269.05 is: 4,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.85 : 13,226.90 = 3,269.05 : x
  2. Step 2: Convert to fraction form
    8,817.85/13,226.90 = 3,269.05/x
  3. Step 3: Cross multiply
    8,817.85x = 13,226.90 × 3,269.05
  4. Step 4: Simplify right side
    8,817.85x = 43,239,381.10
  5. Step 5: Solve for x
    x = 43,239,381.10/8,817.85
  6. Step 6: Final answer
    x = 4,903.62

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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.