Home / 7,289.32-10,923.90-3,998.44

Finding the Fourth Proportional to 7,289.32, 10,923.90 and 3,998.44

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Solution

The fourth proportional to 7,289.32, 10,923.90 and 3,998.44 is: 5,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.32 : 10,923.90 = 3,998.44 : x
  2. Step 2: Convert to fraction form
    7,289.32/10,923.90 = 3,998.44/x
  3. Step 3: Cross multiply
    7,289.32x = 10,923.90 × 3,998.44
  4. Step 4: Simplify right side
    7,289.32x = 43,678,558.72
  5. Step 5: Solve for x
    x = 43,678,558.72/7,289.32
  6. Step 6: Final answer
    x = 5,992.13

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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.