Home / 5,777.75-8,670.73-2,661.28

Finding the Fourth Proportional to 5,777.75, 8,670.73 and 2,661.28

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Solution

The fourth proportional to 5,777.75, 8,670.73 and 2,661.28 is: 3,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.75 : 8,670.73 = 2,661.28 : x
  2. Step 2: Convert to fraction form
    5,777.75/8,670.73 = 2,661.28/x
  3. Step 3: Cross multiply
    5,777.75x = 8,670.73 × 2,661.28
  4. Step 4: Simplify right side
    5,777.75x = 23,075,240.33
  5. Step 5: Solve for x
    x = 23,075,240.33/5,777.75
  6. Step 6: Final answer
    x = 3,993.81

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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.