Home / 4,211.12-6,317-1,091.08

Finding the Fourth Proportional to 4,211.12, 6,317 and 1,091.08

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Solution

The fourth proportional to 4,211.12, 6,317 and 1,091.08 is: 1,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.12 : 6,317 = 1,091.08 : x
  2. Step 2: Convert to fraction form
    4,211.12/6,317 = 1,091.08/x
  3. Step 3: Cross multiply
    4,211.12x = 6,317 × 1,091.08
  4. Step 4: Simplify right side
    4,211.12x = 6,892,352.36
  5. Step 5: Solve for x
    x = 6,892,352.36/4,211.12
  6. Step 6: Final answer
    x = 1,636.70

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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.