Home / 4,213.22-6,317.75-1,290.82

Finding the Fourth Proportional to 4,213.22, 6,317.75 and 1,290.82

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Solution

The fourth proportional to 4,213.22, 6,317.75 and 1,290.82 is: 1,935.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.22 : 6,317.75 = 1,290.82 : x
  2. Step 2: Convert to fraction form
    4,213.22/6,317.75 = 1,290.82/x
  3. Step 3: Cross multiply
    4,213.22x = 6,317.75 × 1,290.82
  4. Step 4: Simplify right side
    4,213.22x = 8,155,078.06
  5. Step 5: Solve for x
    x = 8,155,078.06/4,213.22
  6. Step 6: Final answer
    x = 1,935.59

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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.