Home / 7,930.63-11,895.48-2,383.85

Finding the Fourth Proportional to 7,930.63, 11,895.48 and 2,383.85

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Solution

The fourth proportional to 7,930.63, 11,895.48 and 2,383.85 is: 3,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.63 : 11,895.48 = 2,383.85 : x
  2. Step 2: Convert to fraction form
    7,930.63/11,895.48 = 2,383.85/x
  3. Step 3: Cross multiply
    7,930.63x = 11,895.48 × 2,383.85
  4. Step 4: Simplify right side
    7,930.63x = 28,357,040.00
  5. Step 5: Solve for x
    x = 28,357,040.00/7,930.63
  6. Step 6: Final answer
    x = 3,575.64

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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.