Home / 6,128.23-9,181.71-4,820.44

Finding the Fourth Proportional to 6,128.23, 9,181.71 and 4,820.44

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Solution

The fourth proportional to 6,128.23, 9,181.71 and 4,820.44 is: 7,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.23 : 9,181.71 = 4,820.44 : x
  2. Step 2: Convert to fraction form
    6,128.23/9,181.71 = 4,820.44/x
  3. Step 3: Cross multiply
    6,128.23x = 9,181.71 × 4,820.44
  4. Step 4: Simplify right side
    6,128.23x = 44,259,882.15
  5. Step 5: Solve for x
    x = 44,259,882.15/6,128.23
  6. Step 6: Final answer
    x = 7,222.29

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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.