Home / 6,021.18-9,076.90-5,619.78

Finding the Fourth Proportional to 6,021.18, 9,076.90 and 5,619.78

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Solution

The fourth proportional to 6,021.18, 9,076.90 and 5,619.78 is: 8,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,021.18 : 9,076.90 = 5,619.78 : x
  2. Step 2: Convert to fraction form
    6,021.18/9,076.90 = 5,619.78/x
  3. Step 3: Cross multiply
    6,021.18x = 9,076.90 × 5,619.78
  4. Step 4: Simplify right side
    6,021.18x = 51,010,181.08
  5. Step 5: Solve for x
    x = 51,010,181.08/6,021.18
  6. Step 6: Final answer
    x = 8,471.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.