Home / 6,861.36-10,292.37-1,930.89

Finding the Fourth Proportional to 6,861.36, 10,292.37 and 1,930.89

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Solution

The fourth proportional to 6,861.36, 10,292.37 and 1,930.89 is: 2,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.36 : 10,292.37 = 1,930.89 : x
  2. Step 2: Convert to fraction form
    6,861.36/10,292.37 = 1,930.89/x
  3. Step 3: Cross multiply
    6,861.36x = 10,292.37 × 1,930.89
  4. Step 4: Simplify right side
    6,861.36x = 19,873,407.77
  5. Step 5: Solve for x
    x = 19,873,407.77/6,861.36
  6. Step 6: Final answer
    x = 2,896.42

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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.