Home / 7,722.20-11,580.60-4,023.20

Finding the Fourth Proportional to 7,722.20, 11,580.60 and 4,023.20

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Solution

The fourth proportional to 7,722.20, 11,580.60 and 4,023.20 is: 6,033.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.20 : 11,580.60 = 4,023.20 : x
  2. Step 2: Convert to fraction form
    7,722.20/11,580.60 = 4,023.20/x
  3. Step 3: Cross multiply
    7,722.20x = 11,580.60 × 4,023.20
  4. Step 4: Simplify right side
    7,722.20x = 46,591,069.92
  5. Step 5: Solve for x
    x = 46,591,069.92/7,722.20
  6. Step 6: Final answer
    x = 6,033.39

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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.