Home / 8,905.70-13,353.62-3,644.41

Finding the Fourth Proportional to 8,905.70, 13,353.62 and 3,644.41

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Solution

The fourth proportional to 8,905.70, 13,353.62 and 3,644.41 is: 5,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.70 : 13,353.62 = 3,644.41 : x
  2. Step 2: Convert to fraction form
    8,905.70/13,353.62 = 3,644.41/x
  3. Step 3: Cross multiply
    8,905.70x = 13,353.62 × 3,644.41
  4. Step 4: Simplify right side
    8,905.70x = 48,666,066.26
  5. Step 5: Solve for x
    x = 48,666,066.26/8,905.70
  6. Step 6: Final answer
    x = 5,464.60

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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.