Home / 7,936.55-11,908.88-3,260.15

Finding the Fourth Proportional to 7,936.55, 11,908.88 and 3,260.15

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Solution

The fourth proportional to 7,936.55, 11,908.88 and 3,260.15 is: 4,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.55 : 11,908.88 = 3,260.15 : x
  2. Step 2: Convert to fraction form
    7,936.55/11,908.88 = 3,260.15/x
  3. Step 3: Cross multiply
    7,936.55x = 11,908.88 × 3,260.15
  4. Step 4: Simplify right side
    7,936.55x = 38,824,718.83
  5. Step 5: Solve for x
    x = 38,824,718.83/7,936.55
  6. Step 6: Final answer
    x = 4,891.89

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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.