Home / 7,834.88-11,749.61-3,153.69

Finding the Fourth Proportional to 7,834.88, 11,749.61 and 3,153.69

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Solution

The fourth proportional to 7,834.88, 11,749.61 and 3,153.69 is: 4,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.88 : 11,749.61 = 3,153.69 : x
  2. Step 2: Convert to fraction form
    7,834.88/11,749.61 = 3,153.69/x
  3. Step 3: Cross multiply
    7,834.88x = 11,749.61 × 3,153.69
  4. Step 4: Simplify right side
    7,834.88x = 37,054,611.79
  5. Step 5: Solve for x
    x = 37,054,611.79/7,834.88
  6. Step 6: Final answer
    x = 4,729.45

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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.