Home / 4,201.59-6,300.55-1,279.21

Finding the Fourth Proportional to 4,201.59, 6,300.55 and 1,279.21

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Solution

The fourth proportional to 4,201.59, 6,300.55 and 1,279.21 is: 1,918.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.59 : 6,300.55 = 1,279.21 : x
  2. Step 2: Convert to fraction form
    4,201.59/6,300.55 = 1,279.21/x
  3. Step 3: Cross multiply
    4,201.59x = 6,300.55 × 1,279.21
  4. Step 4: Simplify right side
    4,201.59x = 8,059,726.57
  5. Step 5: Solve for x
    x = 8,059,726.57/4,201.59
  6. Step 6: Final answer
    x = 1,918.26

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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.