Home / 8,008.32-12,004.45-2,739.72

Finding the Fourth Proportional to 8,008.32, 12,004.45 and 2,739.72

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Solution

The fourth proportional to 8,008.32, 12,004.45 and 2,739.72 is: 4,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.32 : 12,004.45 = 2,739.72 : x
  2. Step 2: Convert to fraction form
    8,008.32/12,004.45 = 2,739.72/x
  3. Step 3: Cross multiply
    8,008.32x = 12,004.45 × 2,739.72
  4. Step 4: Simplify right side
    8,008.32x = 32,888,869.92
  5. Step 5: Solve for x
    x = 32,888,869.92/8,008.32
  6. Step 6: Final answer
    x = 4,106.84

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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.