Home / 7,213.19-10,817.96-2,828.25

Finding the Fourth Proportional to 7,213.19, 10,817.96 and 2,828.25

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Solution

The fourth proportional to 7,213.19, 10,817.96 and 2,828.25 is: 4,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.19 : 10,817.96 = 2,828.25 : x
  2. Step 2: Convert to fraction form
    7,213.19/10,817.96 = 2,828.25/x
  3. Step 3: Cross multiply
    7,213.19x = 10,817.96 × 2,828.25
  4. Step 4: Simplify right side
    7,213.19x = 30,595,881.23
  5. Step 5: Solve for x
    x = 30,595,881.23/7,213.19
  6. Step 6: Final answer
    x = 4,241.66

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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.