Home / 4,078.21-5,634.93-3,246.22

Finding the Fourth Proportional to 4,078.21, 5,634.93 and 3,246.22

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Solution

The fourth proportional to 4,078.21, 5,634.93 and 3,246.22 is: 4,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.21 : 5,634.93 = 3,246.22 : x
  2. Step 2: Convert to fraction form
    4,078.21/5,634.93 = 3,246.22/x
  3. Step 3: Cross multiply
    4,078.21x = 5,634.93 × 3,246.22
  4. Step 4: Simplify right side
    4,078.21x = 18,292,222.46
  5. Step 5: Solve for x
    x = 18,292,222.46/4,078.21
  6. Step 6: Final answer
    x = 4,485.36

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.