Home / 9,110.22-12,571.06-5,131.23

Finding the Fourth Proportional to 9,110.22, 12,571.06 and 5,131.23

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Solution

The fourth proportional to 9,110.22, 12,571.06 and 5,131.23 is: 7,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.22 : 12,571.06 = 5,131.23 : x
  2. Step 2: Convert to fraction form
    9,110.22/12,571.06 = 5,131.23/x
  3. Step 3: Cross multiply
    9,110.22x = 12,571.06 × 5,131.23
  4. Step 4: Simplify right side
    9,110.22x = 64,505,000.20
  5. Step 5: Solve for x
    x = 64,505,000.20/9,110.22
  6. Step 6: Final answer
    x = 7,080.51

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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.