Home / 7,979.01-11,968.56-2,784.93

Finding the Fourth Proportional to 7,979.01, 11,968.56 and 2,784.93

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Solution

The fourth proportional to 7,979.01, 11,968.56 and 2,784.93 is: 4,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.01 : 11,968.56 = 2,784.93 : x
  2. Step 2: Convert to fraction form
    7,979.01/11,968.56 = 2,784.93/x
  3. Step 3: Cross multiply
    7,979.01x = 11,968.56 × 2,784.93
  4. Step 4: Simplify right side
    7,979.01x = 33,331,601.80
  5. Step 5: Solve for x
    x = 33,331,601.80/7,979.01
  6. Step 6: Final answer
    x = 4,177.41

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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.