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Finding the Fourth Proportional to 8,494.00, 12,739.07 and 5,204.39

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Solution

The fourth proportional to 8,494.00, 12,739.07 and 5,204.39 is: 7,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.00 : 12,739.07 = 5,204.39 : x
  2. Step 2: Convert to fraction form
    8,494.00/12,739.07 = 5,204.39/x
  3. Step 3: Cross multiply
    8,494.00x = 12,739.07 × 5,204.39
  4. Step 4: Simplify right side
    8,494.00x = 66,299,037.83
  5. Step 5: Solve for x
    x = 66,299,037.83/8,494.00
  6. Step 6: Final answer
    x = 7,805.40

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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.