Home / 8,904.61-13,356.75-2,664.64

Finding the Fourth Proportional to 8,904.61, 13,356.75 and 2,664.64

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Solution

The fourth proportional to 8,904.61, 13,356.75 and 2,664.64 is: 3,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.61 : 13,356.75 = 2,664.64 : x
  2. Step 2: Convert to fraction form
    8,904.61/13,356.75 = 2,664.64/x
  3. Step 3: Cross multiply
    8,904.61x = 13,356.75 × 2,664.64
  4. Step 4: Simplify right side
    8,904.61x = 35,590,863.54
  5. Step 5: Solve for x
    x = 35,590,863.54/8,904.61
  6. Step 6: Final answer
    x = 3,996.91

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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.