Home / 8,396.72-11,575.34-5,559.34

Finding the Fourth Proportional to 8,396.72, 11,575.34 and 5,559.34

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Solution

The fourth proportional to 8,396.72, 11,575.34 and 5,559.34 is: 7,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.72 : 11,575.34 = 5,559.34 : x
  2. Step 2: Convert to fraction form
    8,396.72/11,575.34 = 5,559.34/x
  3. Step 3: Cross multiply
    8,396.72x = 11,575.34 × 5,559.34
  4. Step 4: Simplify right side
    8,396.72x = 64,351,250.68
  5. Step 5: Solve for x
    x = 64,351,250.68/8,396.72
  6. Step 6: Final answer
    x = 7,663.86

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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.