Home / 6,021.28-8,308.60-3,504.21

Finding the Fourth Proportional to 6,021.28, 8,308.60 and 3,504.21

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Solution

The fourth proportional to 6,021.28, 8,308.60 and 3,504.21 is: 4,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,021.28 : 8,308.60 = 3,504.21 : x
  2. Step 2: Convert to fraction form
    6,021.28/8,308.60 = 3,504.21/x
  3. Step 3: Cross multiply
    6,021.28x = 8,308.60 × 3,504.21
  4. Step 4: Simplify right side
    6,021.28x = 29,115,079.21
  5. Step 5: Solve for x
    x = 29,115,079.21/6,021.28
  6. Step 6: Final answer
    x = 4,835.36

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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.