Home / 6,842.48-10,262.70-1,912.61

Finding the Fourth Proportional to 6,842.48, 10,262.70 and 1,912.61

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Solution

The fourth proportional to 6,842.48, 10,262.70 and 1,912.61 is: 2,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.48 : 10,262.70 = 1,912.61 : x
  2. Step 2: Convert to fraction form
    6,842.48/10,262.70 = 1,912.61/x
  3. Step 3: Cross multiply
    6,842.48x = 10,262.70 × 1,912.61
  4. Step 4: Simplify right side
    6,842.48x = 19,628,568.30
  5. Step 5: Solve for x
    x = 19,628,568.30/6,842.48
  6. Step 6: Final answer
    x = 2,868.64

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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.