Home / 5,112.29-7,668.44-4,194.21

Finding the Fourth Proportional to 5,112.29, 7,668.44 and 4,194.21

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Solution

The fourth proportional to 5,112.29, 7,668.44 and 4,194.21 is: 6,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.29 : 7,668.44 = 4,194.21 : x
  2. Step 2: Convert to fraction form
    5,112.29/7,668.44 = 4,194.21/x
  3. Step 3: Cross multiply
    5,112.29x = 7,668.44 × 4,194.21
  4. Step 4: Simplify right side
    5,112.29x = 32,163,047.73
  5. Step 5: Solve for x
    x = 32,163,047.73/5,112.29
  6. Step 6: Final answer
    x = 6,291.32

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Double scale
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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.