Home / 7,308.93-10,965.19-2,115.33

Finding the Fourth Proportional to 7,308.93, 10,965.19 and 2,115.33

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Solution

The fourth proportional to 7,308.93, 10,965.19 and 2,115.33 is: 3,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.93 : 10,965.19 = 2,115.33 : x
  2. Step 2: Convert to fraction form
    7,308.93/10,965.19 = 2,115.33/x
  3. Step 3: Cross multiply
    7,308.93x = 10,965.19 × 2,115.33
  4. Step 4: Simplify right side
    7,308.93x = 23,194,995.36
  5. Step 5: Solve for x
    x = 23,194,995.36/7,308.93
  6. Step 6: Final answer
    x = 3,173.51

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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.