Home / 4,825.50-7,238.33-1,903.78

Finding the Fourth Proportional to 4,825.50, 7,238.33 and 1,903.78

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Solution

The fourth proportional to 4,825.50, 7,238.33 and 1,903.78 is: 2,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.50 : 7,238.33 = 1,903.78 : x
  2. Step 2: Convert to fraction form
    4,825.50/7,238.33 = 1,903.78/x
  3. Step 3: Cross multiply
    4,825.50x = 7,238.33 × 1,903.78
  4. Step 4: Simplify right side
    4,825.50x = 13,780,194.56
  5. Step 5: Solve for x
    x = 13,780,194.56/4,825.50
  6. Step 6: Final answer
    x = 2,855.70

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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.