Home / 7,904.67-11,856.96-3,223.64

Finding the Fourth Proportional to 7,904.67, 11,856.96 and 3,223.64

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Solution

The fourth proportional to 7,904.67, 11,856.96 and 3,223.64 is: 4,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.67 : 11,856.96 = 3,223.64 : x
  2. Step 2: Convert to fraction form
    7,904.67/11,856.96 = 3,223.64/x
  3. Step 3: Cross multiply
    7,904.67x = 11,856.96 × 3,223.64
  4. Step 4: Simplify right side
    7,904.67x = 38,222,511.25
  5. Step 5: Solve for x
    x = 38,222,511.25/7,904.67
  6. Step 6: Final answer
    x = 4,835.43

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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.