Home / 7,359.86-11,039.90-2,619.79

Finding the Fourth Proportional to 7,359.86, 11,039.90 and 2,619.79

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Solution

The fourth proportional to 7,359.86, 11,039.90 and 2,619.79 is: 3,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.86 : 11,039.90 = 2,619.79 : x
  2. Step 2: Convert to fraction form
    7,359.86/11,039.90 = 2,619.79/x
  3. Step 3: Cross multiply
    7,359.86x = 11,039.90 × 2,619.79
  4. Step 4: Simplify right side
    7,359.86x = 28,922,241.02
  5. Step 5: Solve for x
    x = 28,922,241.02/7,359.86
  6. Step 6: Final answer
    x = 3,929.73

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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.