Home / 7,733.58-11,600.78-2,187.33

Finding the Fourth Proportional to 7,733.58, 11,600.78 and 2,187.33

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Solution

The fourth proportional to 7,733.58, 11,600.78 and 2,187.33 is: 3,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,733.58 : 11,600.78 = 2,187.33 : x
  2. Step 2: Convert to fraction form
    7,733.58/11,600.78 = 2,187.33/x
  3. Step 3: Cross multiply
    7,733.58x = 11,600.78 × 2,187.33
  4. Step 4: Simplify right side
    7,733.58x = 25,374,734.12
  5. Step 5: Solve for x
    x = 25,374,734.12/7,733.58
  6. Step 6: Final answer
    x = 3,281.11

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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.