Home / 8,214.09-12,327.07-3,285.10

Finding the Fourth Proportional to 8,214.09, 12,327.07 and 3,285.10

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Solution

The fourth proportional to 8,214.09, 12,327.07 and 3,285.10 is: 4,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.09 : 12,327.07 = 3,285.10 : x
  2. Step 2: Convert to fraction form
    8,214.09/12,327.07 = 3,285.10/x
  3. Step 3: Cross multiply
    8,214.09x = 12,327.07 × 3,285.10
  4. Step 4: Simplify right side
    8,214.09x = 40,495,657.66
  5. Step 5: Solve for x
    x = 40,495,657.66/8,214.09
  6. Step 6: Final answer
    x = 4,930.02

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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.