Home / 7,823.07-11,733.48-1,979.37

Finding the Fourth Proportional to 7,823.07, 11,733.48 and 1,979.37

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Solution

The fourth proportional to 7,823.07, 11,733.48 and 1,979.37 is: 2,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.07 : 11,733.48 = 1,979.37 : x
  2. Step 2: Convert to fraction form
    7,823.07/11,733.48 = 1,979.37/x
  3. Step 3: Cross multiply
    7,823.07x = 11,733.48 × 1,979.37
  4. Step 4: Simplify right side
    7,823.07x = 23,224,898.31
  5. Step 5: Solve for x
    x = 23,224,898.31/7,823.07
  6. Step 6: Final answer
    x = 2,968.77

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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.