Home / 4,205.23-6,308.20-1,085.21

Finding the Fourth Proportional to 4,205.23, 6,308.20 and 1,085.21

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Solution

The fourth proportional to 4,205.23, 6,308.20 and 1,085.21 is: 1,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.23 : 6,308.20 = 1,085.21 : x
  2. Step 2: Convert to fraction form
    4,205.23/6,308.20 = 1,085.21/x
  3. Step 3: Cross multiply
    4,205.23x = 6,308.20 × 1,085.21
  4. Step 4: Simplify right side
    4,205.23x = 6,845,721.72
  5. Step 5: Solve for x
    x = 6,845,721.72/4,205.23
  6. Step 6: Final answer
    x = 1,627.91

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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.