Home / 8,005.84-12,009.44-2,162.32

Finding the Fourth Proportional to 8,005.84, 12,009.44 and 2,162.32

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Solution

The fourth proportional to 8,005.84, 12,009.44 and 2,162.32 is: 3,243.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.84 : 12,009.44 = 2,162.32 : x
  2. Step 2: Convert to fraction form
    8,005.84/12,009.44 = 2,162.32/x
  3. Step 3: Cross multiply
    8,005.84x = 12,009.44 × 2,162.32
  4. Step 4: Simplify right side
    8,005.84x = 25,968,252.30
  5. Step 5: Solve for x
    x = 25,968,252.30/8,005.84
  6. Step 6: Final answer
    x = 3,243.66

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1.5x scale

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.