Home / 8,393.09-12,588.83-4,231.45

Finding the Fourth Proportional to 8,393.09, 12,588.83 and 4,231.45

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Solution

The fourth proportional to 8,393.09, 12,588.83 and 4,231.45 is: 6,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.09 : 12,588.83 = 4,231.45 : x
  2. Step 2: Convert to fraction form
    8,393.09/12,588.83 = 4,231.45/x
  3. Step 3: Cross multiply
    8,393.09x = 12,588.83 × 4,231.45
  4. Step 4: Simplify right side
    8,393.09x = 53,268,920.60
  5. Step 5: Solve for x
    x = 53,268,920.60/8,393.09
  6. Step 6: Final answer
    x = 6,346.76

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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.