Home / 7,967.50-11,951.26-3,290.16

Finding the Fourth Proportional to 7,967.50, 11,951.26 and 3,290.16

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Solution

The fourth proportional to 7,967.50, 11,951.26 and 3,290.16 is: 4,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.50 : 11,951.26 = 3,290.16 : x
  2. Step 2: Convert to fraction form
    7,967.50/11,951.26 = 3,290.16/x
  3. Step 3: Cross multiply
    7,967.50x = 11,951.26 × 3,290.16
  4. Step 4: Simplify right side
    7,967.50x = 39,321,557.60
  5. Step 5: Solve for x
    x = 39,321,557.60/7,967.50
  6. Step 6: Final answer
    x = 4,935.24

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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.