Home / 7,558.82-10,431.09-4,201.56

Finding the Fourth Proportional to 7,558.82, 10,431.09 and 4,201.56

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Solution

The fourth proportional to 7,558.82, 10,431.09 and 4,201.56 is: 5,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.82 : 10,431.09 = 4,201.56 : x
  2. Step 2: Convert to fraction form
    7,558.82/10,431.09 = 4,201.56/x
  3. Step 3: Cross multiply
    7,558.82x = 10,431.09 × 4,201.56
  4. Step 4: Simplify right side
    7,558.82x = 43,826,850.50
  5. Step 5: Solve for x
    x = 43,826,850.50/7,558.82
  6. Step 6: Final answer
    x = 5,798.11

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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.