Home / 7,722.22-10,656.49-4,185.38

Finding the Fourth Proportional to 7,722.22, 10,656.49 and 4,185.38

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Solution

The fourth proportional to 7,722.22, 10,656.49 and 4,185.38 is: 5,775.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.22 : 10,656.49 = 4,185.38 : x
  2. Step 2: Convert to fraction form
    7,722.22/10,656.49 = 4,185.38/x
  3. Step 3: Cross multiply
    7,722.22x = 10,656.49 × 4,185.38
  4. Step 4: Simplify right side
    7,722.22x = 44,601,460.12
  5. Step 5: Solve for x
    x = 44,601,460.12/7,722.22
  6. Step 6: Final answer
    x = 5,775.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.