Home / 8,904.62-13,356.78-3,638.47

Finding the Fourth Proportional to 8,904.62, 13,356.78 and 3,638.47

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Solution

The fourth proportional to 8,904.62, 13,356.78 and 3,638.47 is: 5,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.62 : 13,356.78 = 3,638.47 : x
  2. Step 2: Convert to fraction form
    8,904.62/13,356.78 = 3,638.47/x
  3. Step 3: Cross multiply
    8,904.62x = 13,356.78 × 3,638.47
  4. Step 4: Simplify right side
    8,904.62x = 48,598,243.33
  5. Step 5: Solve for x
    x = 48,598,243.33/8,904.62
  6. Step 6: Final answer
    x = 5,457.64

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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.