Home / 4,820.13-7,231.41-2,847.39

Finding the Fourth Proportional to 4,820.13, 7,231.41 and 2,847.39

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Solution

The fourth proportional to 4,820.13, 7,231.41 and 2,847.39 is: 4,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.13 : 7,231.41 = 2,847.39 : x
  2. Step 2: Convert to fraction form
    4,820.13/7,231.41 = 2,847.39/x
  3. Step 3: Cross multiply
    4,820.13x = 7,231.41 × 2,847.39
  4. Step 4: Simplify right side
    4,820.13x = 20,590,644.52
  5. Step 5: Solve for x
    x = 20,590,644.52/4,820.13
  6. Step 6: Final answer
    x = 4,271.80

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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.