Home / 5,016.21-6,922.23-2,891.70

Finding the Fourth Proportional to 5,016.21, 6,922.23 and 2,891.70

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Solution

The fourth proportional to 5,016.21, 6,922.23 and 2,891.70 is: 3,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.21 : 6,922.23 = 2,891.70 : x
  2. Step 2: Convert to fraction form
    5,016.21/6,922.23 = 2,891.70/x
  3. Step 3: Cross multiply
    5,016.21x = 6,922.23 × 2,891.70
  4. Step 4: Simplify right side
    5,016.21x = 20,017,012.49
  5. Step 5: Solve for x
    x = 20,017,012.49/5,016.21
  6. Step 6: Final answer
    x = 3,990.47

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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.