Home / 7,383.48-11,075.26-2,119.10

Finding the Fourth Proportional to 7,383.48, 11,075.26 and 2,119.10

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Solution

The fourth proportional to 7,383.48, 11,075.26 and 2,119.10 is: 3,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.48 : 11,075.26 = 2,119.10 : x
  2. Step 2: Convert to fraction form
    7,383.48/11,075.26 = 2,119.10/x
  3. Step 3: Cross multiply
    7,383.48x = 11,075.26 × 2,119.10
  4. Step 4: Simplify right side
    7,383.48x = 23,469,583.47
  5. Step 5: Solve for x
    x = 23,469,583.47/7,383.48
  6. Step 6: Final answer
    x = 3,178.66

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1.5x scale

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.