Home / 4,211.36-6,317.06-1,091.15

Finding the Fourth Proportional to 4,211.36, 6,317.06 and 1,091.15

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Solution

The fourth proportional to 4,211.36, 6,317.06 and 1,091.15 is: 1,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.36 : 6,317.06 = 1,091.15 : x
  2. Step 2: Convert to fraction form
    4,211.36/6,317.06 = 1,091.15/x
  3. Step 3: Cross multiply
    4,211.36x = 6,317.06 × 1,091.15
  4. Step 4: Simplify right side
    4,211.36x = 6,892,828.43
  5. Step 5: Solve for x
    x = 6,892,828.43/4,211.36
  6. Step 6: Final answer
    x = 1,636.72

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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.