Home / 7,784.89-11,675.77-2,236.75

Finding the Fourth Proportional to 7,784.89, 11,675.77 and 2,236.75

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Solution

The fourth proportional to 7,784.89, 11,675.77 and 2,236.75 is: 3,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.89 : 11,675.77 = 2,236.75 : x
  2. Step 2: Convert to fraction form
    7,784.89/11,675.77 = 2,236.75/x
  3. Step 3: Cross multiply
    7,784.89x = 11,675.77 × 2,236.75
  4. Step 4: Simplify right side
    7,784.89x = 26,115,743.77
  5. Step 5: Solve for x
    x = 26,115,743.77/7,784.89
  6. Step 6: Final answer
    x = 3,354.67

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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.