Home / 7,282.49-10,923.73-3,119.80

Finding the Fourth Proportional to 7,282.49, 10,923.73 and 3,119.80

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Solution

The fourth proportional to 7,282.49, 10,923.73 and 3,119.80 is: 4,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.49 : 10,923.73 = 3,119.80 : x
  2. Step 2: Convert to fraction form
    7,282.49/10,923.73 = 3,119.80/x
  3. Step 3: Cross multiply
    7,282.49x = 10,923.73 × 3,119.80
  4. Step 4: Simplify right side
    7,282.49x = 34,079,852.85
  5. Step 5: Solve for x
    x = 34,079,852.85/7,282.49
  6. Step 6: Final answer
    x = 4,679.70

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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.