Home / 4,111.22-6,167.44-1,189.15

Finding the Fourth Proportional to 4,111.22, 6,167.44 and 1,189.15

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Solution

The fourth proportional to 4,111.22, 6,167.44 and 1,189.15 is: 1,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.22 : 6,167.44 = 1,189.15 : x
  2. Step 2: Convert to fraction form
    4,111.22/6,167.44 = 1,189.15/x
  3. Step 3: Cross multiply
    4,111.22x = 6,167.44 × 1,189.15
  4. Step 4: Simplify right side
    4,111.22x = 7,333,980.44
  5. Step 5: Solve for x
    x = 7,333,980.44/4,111.22
  6. Step 6: Final answer
    x = 1,783.89

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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.