Home / 7,722.42-11,582.55-3,039.09

Finding the Fourth Proportional to 7,722.42, 11,582.55 and 3,039.09

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Solution

The fourth proportional to 7,722.42, 11,582.55 and 3,039.09 is: 4,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.42 : 11,582.55 = 3,039.09 : x
  2. Step 2: Convert to fraction form
    7,722.42/11,582.55 = 3,039.09/x
  3. Step 3: Cross multiply
    7,722.42x = 11,582.55 × 3,039.09
  4. Step 4: Simplify right side
    7,722.42x = 35,200,411.88
  5. Step 5: Solve for x
    x = 35,200,411.88/7,722.42
  6. Step 6: Final answer
    x = 4,558.21

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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.