Home / 7,178.26-10,767.52-1,984.26

Finding the Fourth Proportional to 7,178.26, 10,767.52 and 1,984.26

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Solution

The fourth proportional to 7,178.26, 10,767.52 and 1,984.26 is: 2,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.26 : 10,767.52 = 1,984.26 : x
  2. Step 2: Convert to fraction form
    7,178.26/10,767.52 = 1,984.26/x
  3. Step 3: Cross multiply
    7,178.26x = 10,767.52 × 1,984.26
  4. Step 4: Simplify right side
    7,178.26x = 21,365,559.24
  5. Step 5: Solve for x
    x = 21,365,559.24/7,178.26
  6. Step 6: Final answer
    x = 2,976.43

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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.