Home / 4,321.78-6,482.88-1,201.77

Finding the Fourth Proportional to 4,321.78, 6,482.88 and 1,201.77

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Solution

The fourth proportional to 4,321.78, 6,482.88 and 1,201.77 is: 1,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.78 : 6,482.88 = 1,201.77 : x
  2. Step 2: Convert to fraction form
    4,321.78/6,482.88 = 1,201.77/x
  3. Step 3: Cross multiply
    4,321.78x = 6,482.88 × 1,201.77
  4. Step 4: Simplify right side
    4,321.78x = 7,790,930.70
  5. Step 5: Solve for x
    x = 7,790,930.70/4,321.78
  6. Step 6: Final answer
    x = 1,802.71

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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.