Home / 8,905.59-13,356.41-2,665.58

Finding the Fourth Proportional to 8,905.59, 13,356.41 and 2,665.58

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Solution

The fourth proportional to 8,905.59, 13,356.41 and 2,665.58 is: 3,997.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.59 : 13,356.41 = 2,665.58 : x
  2. Step 2: Convert to fraction form
    8,905.59/13,356.41 = 2,665.58/x
  3. Step 3: Cross multiply
    8,905.59x = 13,356.41 × 2,665.58
  4. Step 4: Simplify right side
    8,905.59x = 35,602,499.26
  5. Step 5: Solve for x
    x = 35,602,499.26/8,905.59
  6. Step 6: Final answer
    x = 3,997.77

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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.