Home / 4,919.34-7,380.33-2,146.24

Finding the Fourth Proportional to 4,919.34, 7,380.33 and 2,146.24

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Solution

The fourth proportional to 4,919.34, 7,380.33 and 2,146.24 is: 3,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.34 : 7,380.33 = 2,146.24 : x
  2. Step 2: Convert to fraction form
    4,919.34/7,380.33 = 2,146.24/x
  3. Step 3: Cross multiply
    4,919.34x = 7,380.33 × 2,146.24
  4. Step 4: Simplify right side
    4,919.34x = 15,839,959.46
  5. Step 5: Solve for x
    x = 15,839,959.46/4,919.34
  6. Step 6: Final answer
    x = 3,219.94

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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.