Home / 7,930.85-11,896.89-2,383.76

Finding the Fourth Proportional to 7,930.85, 11,896.89 and 2,383.76

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Solution

The fourth proportional to 7,930.85, 11,896.89 and 2,383.76 is: 3,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.85 : 11,896.89 = 2,383.76 : x
  2. Step 2: Convert to fraction form
    7,930.85/11,896.89 = 2,383.76/x
  3. Step 3: Cross multiply
    7,930.85x = 11,896.89 × 2,383.76
  4. Step 4: Simplify right side
    7,930.85x = 28,359,330.51
  5. Step 5: Solve for x
    x = 28,359,330.51/7,930.85
  6. Step 6: Final answer
    x = 3,575.82

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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.