Home / 4,109.44-6,162.70-1,187.16

Finding the Fourth Proportional to 4,109.44, 6,162.70 and 1,187.16

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Solution

The fourth proportional to 4,109.44, 6,162.70 and 1,187.16 is: 1,780.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.44 : 6,162.70 = 1,187.16 : x
  2. Step 2: Convert to fraction form
    4,109.44/6,162.70 = 1,187.16/x
  3. Step 3: Cross multiply
    4,109.44x = 6,162.70 × 1,187.16
  4. Step 4: Simplify right side
    4,109.44x = 7,316,110.93
  5. Step 5: Solve for x
    x = 7,316,110.93/4,109.44
  6. Step 6: Final answer
    x = 1,780.32

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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.