Home / 7,965.27-11,948.58-3,285.50

Finding the Fourth Proportional to 7,965.27, 11,948.58 and 3,285.50

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Solution

The fourth proportional to 7,965.27, 11,948.58 and 3,285.50 is: 4,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.27 : 11,948.58 = 3,285.50 : x
  2. Step 2: Convert to fraction form
    7,965.27/11,948.58 = 3,285.50/x
  3. Step 3: Cross multiply
    7,965.27x = 11,948.58 × 3,285.50
  4. Step 4: Simplify right side
    7,965.27x = 39,256,999.85
  5. Step 5: Solve for x
    x = 39,256,999.85/7,965.27
  6. Step 6: Final answer
    x = 4,928.52

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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.