Home / 8,157.21-11,256.26-4,523.36

Finding the Fourth Proportional to 8,157.21, 11,256.26 and 4,523.36

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Solution

The fourth proportional to 8,157.21, 11,256.26 and 4,523.36 is: 6,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.21 : 11,256.26 = 4,523.36 : x
  2. Step 2: Convert to fraction form
    8,157.21/11,256.26 = 4,523.36/x
  3. Step 3: Cross multiply
    8,157.21x = 11,256.26 × 4,523.36
  4. Step 4: Simplify right side
    8,157.21x = 50,916,037.34
  5. Step 5: Solve for x
    x = 50,916,037.34/8,157.21
  6. Step 6: Final answer
    x = 6,241.84

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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.