Home / 7,383.88-11,075.82-3,488.68

Finding the Fourth Proportional to 7,383.88, 11,075.82 and 3,488.68

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Solution

The fourth proportional to 7,383.88, 11,075.82 and 3,488.68 is: 5,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.88 : 11,075.82 = 3,488.68 : x
  2. Step 2: Convert to fraction form
    7,383.88/11,075.82 = 3,488.68/x
  3. Step 3: Cross multiply
    7,383.88x = 11,075.82 × 3,488.68
  4. Step 4: Simplify right side
    7,383.88x = 38,639,991.72
  5. Step 5: Solve for x
    x = 38,639,991.72/7,383.88
  6. Step 6: Final answer
    x = 5,233.02

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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.