Home / 8,218.55-12,327.22-3,285.04

Finding the Fourth Proportional to 8,218.55, 12,327.22 and 3,285.04

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Solution

The fourth proportional to 8,218.55, 12,327.22 and 3,285.04 is: 4,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.55 : 12,327.22 = 3,285.04 : x
  2. Step 2: Convert to fraction form
    8,218.55/12,327.22 = 3,285.04/x
  3. Step 3: Cross multiply
    8,218.55x = 12,327.22 × 3,285.04
  4. Step 4: Simplify right side
    8,218.55x = 40,495,410.79
  5. Step 5: Solve for x
    x = 40,495,410.79/8,218.55
  6. Step 6: Final answer
    x = 4,927.32

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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.