Home / 8,905.42-13,355.62-2,663.94

Finding the Fourth Proportional to 8,905.42, 13,355.62 and 2,663.94

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Solution

The fourth proportional to 8,905.42, 13,355.62 and 2,663.94 is: 3,995.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.42 : 13,355.62 = 2,663.94 : x
  2. Step 2: Convert to fraction form
    8,905.42/13,355.62 = 2,663.94/x
  3. Step 3: Cross multiply
    8,905.42x = 13,355.62 × 2,663.94
  4. Step 4: Simplify right side
    8,905.42x = 35,578,563.68
  5. Step 5: Solve for x
    x = 35,578,563.68/8,905.42
  6. Step 6: Final answer
    x = 3,995.16

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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.