Home / 4,222.45-6,334.80-1,300.75

Finding the Fourth Proportional to 4,222.45, 6,334.80 and 1,300.75

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Solution

The fourth proportional to 4,222.45, 6,334.80 and 1,300.75 is: 1,951.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.45 : 6,334.80 = 1,300.75 : x
  2. Step 2: Convert to fraction form
    4,222.45/6,334.80 = 1,300.75/x
  3. Step 3: Cross multiply
    4,222.45x = 6,334.80 × 1,300.75
  4. Step 4: Simplify right side
    4,222.45x = 8,239,991.10
  5. Step 5: Solve for x
    x = 8,239,991.10/4,222.45
  6. Step 6: Final answer
    x = 1,951.47

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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.