Home / 4,208.02-6,311.33-1,286.33

Finding the Fourth Proportional to 4,208.02, 6,311.33 and 1,286.33

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Solution

The fourth proportional to 4,208.02, 6,311.33 and 1,286.33 is: 1,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.02 : 6,311.33 = 1,286.33 : x
  2. Step 2: Convert to fraction form
    4,208.02/6,311.33 = 1,286.33/x
  3. Step 3: Cross multiply
    4,208.02x = 6,311.33 × 1,286.33
  4. Step 4: Simplify right side
    4,208.02x = 8,118,462.69
  5. Step 5: Solve for x
    x = 8,118,462.69/4,208.02
  6. Step 6: Final answer
    x = 1,929.28

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Double scale
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Similar ratio
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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.