Home / 7,868.06-11,800.95-2,321.13

Finding the Fourth Proportional to 7,868.06, 11,800.95 and 2,321.13

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Solution

The fourth proportional to 7,868.06, 11,800.95 and 2,321.13 is: 3,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.06 : 11,800.95 = 2,321.13 : x
  2. Step 2: Convert to fraction form
    7,868.06/11,800.95 = 2,321.13/x
  3. Step 3: Cross multiply
    7,868.06x = 11,800.95 × 2,321.13
  4. Step 4: Simplify right side
    7,868.06x = 27,391,527.47
  5. Step 5: Solve for x
    x = 27,391,527.47/7,868.06
  6. Step 6: Final answer
    x = 3,481.36

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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.