Home / 7,281.47-10,922.21-3,383.75

Finding the Fourth Proportional to 7,281.47, 10,922.21 and 3,383.75

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Solution

The fourth proportional to 7,281.47, 10,922.21 and 3,383.75 is: 5,075.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.47 : 10,922.21 = 3,383.75 : x
  2. Step 2: Convert to fraction form
    7,281.47/10,922.21 = 3,383.75/x
  3. Step 3: Cross multiply
    7,281.47x = 10,922.21 × 3,383.75
  4. Step 4: Simplify right side
    7,281.47x = 36,958,028.09
  5. Step 5: Solve for x
    x = 36,958,028.09/7,281.47
  6. Step 6: Final answer
    x = 5,075.63

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Similar ratio
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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.