Home / 8,634.60-12,951.33-3,368.64

Finding the Fourth Proportional to 8,634.60, 12,951.33 and 3,368.64

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Solution

The fourth proportional to 8,634.60, 12,951.33 and 3,368.64 is: 5,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.60 : 12,951.33 = 3,368.64 : x
  2. Step 2: Convert to fraction form
    8,634.60/12,951.33 = 3,368.64/x
  3. Step 3: Cross multiply
    8,634.60x = 12,951.33 × 3,368.64
  4. Step 4: Simplify right side
    8,634.60x = 43,628,368.29
  5. Step 5: Solve for x
    x = 43,628,368.29/8,634.60
  6. Step 6: Final answer
    x = 5,052.74

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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.