Home / 7,162.03-10,743.05-1,968.31

Finding the Fourth Proportional to 7,162.03, 10,743.05 and 1,968.31

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Solution

The fourth proportional to 7,162.03, 10,743.05 and 1,968.31 is: 2,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.03 : 10,743.05 = 1,968.31 : x
  2. Step 2: Convert to fraction form
    7,162.03/10,743.05 = 1,968.31/x
  3. Step 3: Cross multiply
    7,162.03x = 10,743.05 × 1,968.31
  4. Step 4: Simplify right side
    7,162.03x = 21,145,652.75
  5. Step 5: Solve for x
    x = 21,145,652.75/7,162.03
  6. Step 6: Final answer
    x = 2,952.47

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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.