Home / 7,979.38-11,951.25-5,783.06

Finding the Fourth Proportional to 7,979.38, 11,951.25 and 5,783.06

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Solution

The fourth proportional to 7,979.38, 11,951.25 and 5,783.06 is: 8,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.38 : 11,951.25 = 5,783.06 : x
  2. Step 2: Convert to fraction form
    7,979.38/11,951.25 = 5,783.06/x
  3. Step 3: Cross multiply
    7,979.38x = 11,951.25 × 5,783.06
  4. Step 4: Simplify right side
    7,979.38x = 69,114,804.02
  5. Step 5: Solve for x
    x = 69,114,804.02/7,979.38
  6. Step 6: Final answer
    x = 8,661.68

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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.