Home / 4,222.56-6,333.60-1,300.80

Finding the Fourth Proportional to 4,222.56, 6,333.60 and 1,300.80

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Solution

The fourth proportional to 4,222.56, 6,333.60 and 1,300.80 is: 1,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.56 : 6,333.60 = 1,300.80 : x
  2. Step 2: Convert to fraction form
    4,222.56/6,333.60 = 1,300.80/x
  3. Step 3: Cross multiply
    4,222.56x = 6,333.60 × 1,300.80
  4. Step 4: Simplify right side
    4,222.56x = 8,238,746.88
  5. Step 5: Solve for x
    x = 8,238,746.88/4,222.56
  6. Step 6: Final answer
    x = 1,951.13

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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.