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Finding the Fourth Proportional to 8,182.79, 12,273.90 and 2,339.39

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Solution

The fourth proportional to 8,182.79, 12,273.90 and 2,339.39 is: 3,509.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.79 : 12,273.90 = 2,339.39 : x
  2. Step 2: Convert to fraction form
    8,182.79/12,273.90 = 2,339.39/x
  3. Step 3: Cross multiply
    8,182.79x = 12,273.90 × 2,339.39
  4. Step 4: Simplify right side
    8,182.79x = 28,713,377.55
  5. Step 5: Solve for x
    x = 28,713,377.55/8,182.79
  6. Step 6: Final answer
    x = 3,509.00

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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.