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Finding the Fourth Proportional to 8,365.97, 12,531.09 and 4,404.74

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Solution

The fourth proportional to 8,365.97, 12,531.09 and 4,404.74 is: 6,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.97 : 12,531.09 = 4,404.74 : x
  2. Step 2: Convert to fraction form
    8,365.97/12,531.09 = 4,404.74/x
  3. Step 3: Cross multiply
    8,365.97x = 12,531.09 × 4,404.74
  4. Step 4: Simplify right side
    8,365.97x = 55,196,193.37
  5. Step 5: Solve for x
    x = 55,196,193.37/8,365.97
  6. Step 6: Final answer
    x = 6,597.70

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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.