Home / 7,542.89-10,409.37-4,185.84

Finding the Fourth Proportional to 7,542.89, 10,409.37 and 4,185.84

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Solution

The fourth proportional to 7,542.89, 10,409.37 and 4,185.84 is: 5,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.89 : 10,409.37 = 4,185.84 : x
  2. Step 2: Convert to fraction form
    7,542.89/10,409.37 = 4,185.84/x
  3. Step 3: Cross multiply
    7,542.89x = 10,409.37 × 4,185.84
  4. Step 4: Simplify right side
    7,542.89x = 43,571,979.33
  5. Step 5: Solve for x
    x = 43,571,979.33/7,542.89
  6. Step 6: Final answer
    x = 5,776.57

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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.