Home / 4,255.80-6,383.70-1,485.60

Finding the Fourth Proportional to 4,255.80, 6,383.70 and 1,485.60

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Solution

The fourth proportional to 4,255.80, 6,383.70 and 1,485.60 is: 2,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.80 : 6,383.70 = 1,485.60 : x
  2. Step 2: Convert to fraction form
    4,255.80/6,383.70 = 1,485.60/x
  3. Step 3: Cross multiply
    4,255.80x = 6,383.70 × 1,485.60
  4. Step 4: Simplify right side
    4,255.80x = 9,483,624.72
  5. Step 5: Solve for x
    x = 9,483,624.72/4,255.80
  6. Step 6: Final answer
    x = 2,228.40

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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.