Home / 5,912.78-8,152.89-4,418.18

Finding the Fourth Proportional to 5,912.78, 8,152.89 and 4,418.18

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Solution

The fourth proportional to 5,912.78, 8,152.89 and 4,418.18 is: 6,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.78 : 8,152.89 = 4,418.18 : x
  2. Step 2: Convert to fraction form
    5,912.78/8,152.89 = 4,418.18/x
  3. Step 3: Cross multiply
    5,912.78x = 8,152.89 × 4,418.18
  4. Step 4: Simplify right side
    5,912.78x = 36,020,935.54
  5. Step 5: Solve for x
    x = 36,020,935.54/5,912.78
  6. Step 6: Final answer
    x = 6,092.05

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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.