Home / 5,777.06-8,664.63-2,078.60

Finding the Fourth Proportional to 5,777.06, 8,664.63 and 2,078.60

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Solution

The fourth proportional to 5,777.06, 8,664.63 and 2,078.60 is: 3,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.06 : 8,664.63 = 2,078.60 : x
  2. Step 2: Convert to fraction form
    5,777.06/8,664.63 = 2,078.60/x
  3. Step 3: Cross multiply
    5,777.06x = 8,664.63 × 2,078.60
  4. Step 4: Simplify right side
    5,777.06x = 18,010,299.92
  5. Step 5: Solve for x
    x = 18,010,299.92/5,777.06
  6. Step 6: Final answer
    x = 3,117.55

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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.