Home / 4,820.05-7,189.41-4,395.61

Finding the Fourth Proportional to 4,820.05, 7,189.41 and 4,395.61

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Solution

The fourth proportional to 4,820.05, 7,189.41 and 4,395.61 is: 6,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.05 : 7,189.41 = 4,395.61 : x
  2. Step 2: Convert to fraction form
    4,820.05/7,189.41 = 4,395.61/x
  3. Step 3: Cross multiply
    4,820.05x = 7,189.41 × 4,395.61
  4. Step 4: Simplify right side
    4,820.05x = 31,601,842.49
  5. Step 5: Solve for x
    x = 31,601,842.49/4,820.05
  6. Step 6: Final answer
    x = 6,556.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.