Home / 8,114.58-11,197.44-5,131.35

Finding the Fourth Proportional to 8,114.58, 11,197.44 and 5,131.35

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Solution

The fourth proportional to 8,114.58, 11,197.44 and 5,131.35 is: 7,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.58 : 11,197.44 = 5,131.35 : x
  2. Step 2: Convert to fraction form
    8,114.58/11,197.44 = 5,131.35/x
  3. Step 3: Cross multiply
    8,114.58x = 11,197.44 × 5,131.35
  4. Step 4: Simplify right side
    8,114.58x = 57,457,983.74
  5. Step 5: Solve for x
    x = 57,457,983.74/8,114.58
  6. Step 6: Final answer
    x = 7,080.83

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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.