Home / 8,453.64-12,677.30-2,905.42

Finding the Fourth Proportional to 8,453.64, 12,677.30 and 2,905.42

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Solution

The fourth proportional to 8,453.64, 12,677.30 and 2,905.42 is: 4,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.64 : 12,677.30 = 2,905.42 : x
  2. Step 2: Convert to fraction form
    8,453.64/12,677.30 = 2,905.42/x
  3. Step 3: Cross multiply
    8,453.64x = 12,677.30 × 2,905.42
  4. Step 4: Simplify right side
    8,453.64x = 36,832,880.97
  5. Step 5: Solve for x
    x = 36,832,880.97/8,453.64
  6. Step 6: Final answer
    x = 4,357.04

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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.