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Finding the Fourth Proportional to 8,219.00, 12,326.99 and 2,670.71

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Solution

The fourth proportional to 8,219.00, 12,326.99 and 2,670.71 is: 4,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.00 : 12,326.99 = 2,670.71 : x
  2. Step 2: Convert to fraction form
    8,219.00/12,326.99 = 2,670.71/x
  3. Step 3: Cross multiply
    8,219.00x = 12,326.99 × 2,670.71
  4. Step 4: Simplify right side
    8,219.00x = 32,921,740.47
  5. Step 5: Solve for x
    x = 32,921,740.47/8,219.00
  6. Step 6: Final answer
    x = 4,005.56

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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.