Home / 4,201.64-6,300.62-1,279.25

Finding the Fourth Proportional to 4,201.64, 6,300.62 and 1,279.25

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Solution

The fourth proportional to 4,201.64, 6,300.62 and 1,279.25 is: 1,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.64 : 6,300.62 = 1,279.25 : x
  2. Step 2: Convert to fraction form
    4,201.64/6,300.62 = 1,279.25/x
  3. Step 3: Cross multiply
    4,201.64x = 6,300.62 × 1,279.25
  4. Step 4: Simplify right side
    4,201.64x = 8,060,068.14
  5. Step 5: Solve for x
    x = 8,060,068.14/4,201.64
  6. Step 6: Final answer
    x = 1,918.31

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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.