Home / 8,054.36-11,166.51-7,769.24

Finding the Fourth Proportional to 8,054.36, 11,166.51 and 7,769.24

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Solution

The fourth proportional to 8,054.36, 11,166.51 and 7,769.24 is: 10,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.36 : 11,166.51 = 7,769.24 : x
  2. Step 2: Convert to fraction form
    8,054.36/11,166.51 = 7,769.24/x
  3. Step 3: Cross multiply
    8,054.36x = 11,166.51 × 7,769.24
  4. Step 4: Simplify right side
    8,054.36x = 86,755,296.15
  5. Step 5: Solve for x
    x = 86,755,296.15/8,054.36
  6. Step 6: Final answer
    x = 10,771.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.