Home / 8,905.05-13,357.69-3,974.96

Finding the Fourth Proportional to 8,905.05, 13,357.69 and 3,974.96

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Solution

The fourth proportional to 8,905.05, 13,357.69 and 3,974.96 is: 5,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.05 : 13,357.69 = 3,974.96 : x
  2. Step 2: Convert to fraction form
    8,905.05/13,357.69 = 3,974.96/x
  3. Step 3: Cross multiply
    8,905.05x = 13,357.69 × 3,974.96
  4. Step 4: Simplify right side
    8,905.05x = 53,096,283.44
  5. Step 5: Solve for x
    x = 53,096,283.44/8,905.05
  6. Step 6: Final answer
    x = 5,962.49

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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.