Home / 8,308.08-12,458.82-4,146.60

Finding the Fourth Proportional to 8,308.08, 12,458.82 and 4,146.60

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Solution

The fourth proportional to 8,308.08, 12,458.82 and 4,146.60 is: 6,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.08 : 12,458.82 = 4,146.60 : x
  2. Step 2: Convert to fraction form
    8,308.08/12,458.82 = 4,146.60/x
  3. Step 3: Cross multiply
    8,308.08x = 12,458.82 × 4,146.60
  4. Step 4: Simplify right side
    8,308.08x = 51,661,743.01
  5. Step 5: Solve for x
    x = 51,661,743.01/8,308.08
  6. Step 6: Final answer
    x = 6,218.25

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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.