Home / 6,842.28-10,263.24-1,911.96

Finding the Fourth Proportional to 6,842.28, 10,263.24 and 1,911.96

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Solution

The fourth proportional to 6,842.28, 10,263.24 and 1,911.96 is: 2,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.28 : 10,263.24 = 1,911.96 : x
  2. Step 2: Convert to fraction form
    6,842.28/10,263.24 = 1,911.96/x
  3. Step 3: Cross multiply
    6,842.28x = 10,263.24 × 1,911.96
  4. Step 4: Simplify right side
    6,842.28x = 19,622,904.35
  5. Step 5: Solve for x
    x = 19,622,904.35/6,842.28
  6. Step 6: Final answer
    x = 2,867.89

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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.