Home / 7,314.53-10,972.88-2,119.73

Finding the Fourth Proportional to 7,314.53, 10,972.88 and 2,119.73

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Solution

The fourth proportional to 7,314.53, 10,972.88 and 2,119.73 is: 3,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.53 : 10,972.88 = 2,119.73 : x
  2. Step 2: Convert to fraction form
    7,314.53/10,972.88 = 2,119.73/x
  3. Step 3: Cross multiply
    7,314.53x = 10,972.88 × 2,119.73
  4. Step 4: Simplify right side
    7,314.53x = 23,259,532.32
  5. Step 5: Solve for x
    x = 23,259,532.32/7,314.53
  6. Step 6: Final answer
    x = 3,179.91

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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.