Home / 5,010.30-6,912.83-3,122.19

Finding the Fourth Proportional to 5,010.30, 6,912.83 and 3,122.19

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Solution

The fourth proportional to 5,010.30, 6,912.83 and 3,122.19 is: 4,307.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.30 : 6,912.83 = 3,122.19 : x
  2. Step 2: Convert to fraction form
    5,010.30/6,912.83 = 3,122.19/x
  3. Step 3: Cross multiply
    5,010.30x = 6,912.83 × 3,122.19
  4. Step 4: Simplify right side
    5,010.30x = 21,583,134.13
  5. Step 5: Solve for x
    x = 21,583,134.13/5,010.30
  6. Step 6: Final answer
    x = 4,307.76

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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.