Home / 7,257.82-10,021.44-5,576.56

Finding the Fourth Proportional to 7,257.82, 10,021.44 and 5,576.56

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Solution

The fourth proportional to 7,257.82, 10,021.44 and 5,576.56 is: 7,699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.82 : 10,021.44 = 5,576.56 : x
  2. Step 2: Convert to fraction form
    7,257.82/10,021.44 = 5,576.56/x
  3. Step 3: Cross multiply
    7,257.82x = 10,021.44 × 5,576.56
  4. Step 4: Simplify right side
    7,257.82x = 55,885,161.45
  5. Step 5: Solve for x
    x = 55,885,161.45/7,257.82
  6. Step 6: Final answer
    x = 7,699.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.