Home / 6,842.27-10,263.81-1,912.20

Finding the Fourth Proportional to 6,842.27, 10,263.81 and 1,912.20

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Solution

The fourth proportional to 6,842.27, 10,263.81 and 1,912.20 is: 2,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.27 : 10,263.81 = 1,912.20 : x
  2. Step 2: Convert to fraction form
    6,842.27/10,263.81 = 1,912.20/x
  3. Step 3: Cross multiply
    6,842.27x = 10,263.81 × 1,912.20
  4. Step 4: Simplify right side
    6,842.27x = 19,626,457.48
  5. Step 5: Solve for x
    x = 19,626,457.48/6,842.27
  6. Step 6: Final answer
    x = 2,868.42

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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.