Home / 8,214.49-12,327.68-3,285.51

Finding the Fourth Proportional to 8,214.49, 12,327.68 and 3,285.51

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Solution

The fourth proportional to 8,214.49, 12,327.68 and 3,285.51 is: 4,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.49 : 12,327.68 = 3,285.51 : x
  2. Step 2: Convert to fraction form
    8,214.49/12,327.68 = 3,285.51/x
  3. Step 3: Cross multiply
    8,214.49x = 12,327.68 × 3,285.51
  4. Step 4: Simplify right side
    8,214.49x = 40,502,659.42
  5. Step 5: Solve for x
    x = 40,502,659.42/8,214.49
  6. Step 6: Final answer
    x = 4,930.64

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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.