Home / 9,186.51-13,772.83-4,739.41

Finding the Fourth Proportional to 9,186.51, 13,772.83 and 4,739.41

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Solution

The fourth proportional to 9,186.51, 13,772.83 and 4,739.41 is: 7,105.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.51 : 13,772.83 = 4,739.41 : x
  2. Step 2: Convert to fraction form
    9,186.51/13,772.83 = 4,739.41/x
  3. Step 3: Cross multiply
    9,186.51x = 13,772.83 × 4,739.41
  4. Step 4: Simplify right side
    9,186.51x = 65,274,995.67
  5. Step 5: Solve for x
    x = 65,274,995.67/9,186.51
  6. Step 6: Final answer
    x = 7,105.53

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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.