Home / 5,929.75-8,891.60-1,979.59

Finding the Fourth Proportional to 5,929.75, 8,891.60 and 1,979.59

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Solution

The fourth proportional to 5,929.75, 8,891.60 and 1,979.59 is: 2,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.75 : 8,891.60 = 1,979.59 : x
  2. Step 2: Convert to fraction form
    5,929.75/8,891.60 = 1,979.59/x
  3. Step 3: Cross multiply
    5,929.75x = 8,891.60 × 1,979.59
  4. Step 4: Simplify right side
    5,929.75x = 17,601,687.55
  5. Step 5: Solve for x
    x = 17,601,687.55/5,929.75
  6. Step 6: Final answer
    x = 2,968.37

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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.