Home / 7,739.62-11,610.05-4,640.77

Finding the Fourth Proportional to 7,739.62, 11,610.05 and 4,640.77

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Solution

The fourth proportional to 7,739.62, 11,610.05 and 4,640.77 is: 6,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.62 : 11,610.05 = 4,640.77 : x
  2. Step 2: Convert to fraction form
    7,739.62/11,610.05 = 4,640.77/x
  3. Step 3: Cross multiply
    7,739.62x = 11,610.05 × 4,640.77
  4. Step 4: Simplify right side
    7,739.62x = 53,879,571.74
  5. Step 5: Solve for x
    x = 53,879,571.74/7,739.62
  6. Step 6: Final answer
    x = 6,961.53

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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.