Home / 8,346.09-11,517.60-4,620.09

Finding the Fourth Proportional to 8,346.09, 11,517.60 and 4,620.09

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Solution

The fourth proportional to 8,346.09, 11,517.60 and 4,620.09 is: 6,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.09 : 11,517.60 = 4,620.09 : x
  2. Step 2: Convert to fraction form
    8,346.09/11,517.60 = 4,620.09/x
  3. Step 3: Cross multiply
    8,346.09x = 11,517.60 × 4,620.09
  4. Step 4: Simplify right side
    8,346.09x = 53,212,291.00
  5. Step 5: Solve for x
    x = 53,212,291.00/8,346.09
  6. Step 6: Final answer
    x = 6,375.72

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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.