Home / 7,868.77-11,804.75-2,604.18

Finding the Fourth Proportional to 7,868.77, 11,804.75 and 2,604.18

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Solution

The fourth proportional to 7,868.77, 11,804.75 and 2,604.18 is: 3,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.77 : 11,804.75 = 2,604.18 : x
  2. Step 2: Convert to fraction form
    7,868.77/11,804.75 = 2,604.18/x
  3. Step 3: Cross multiply
    7,868.77x = 11,804.75 × 2,604.18
  4. Step 4: Simplify right side
    7,868.77x = 30,741,693.86
  5. Step 5: Solve for x
    x = 30,741,693.86/7,868.77
  6. Step 6: Final answer
    x = 3,906.80

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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.