Home / 7,494.75-10,342.92-4,137.56

Finding the Fourth Proportional to 7,494.75, 10,342.92 and 4,137.56

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Solution

The fourth proportional to 7,494.75, 10,342.92 and 4,137.56 is: 5,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.75 : 10,342.92 = 4,137.56 : x
  2. Step 2: Convert to fraction form
    7,494.75/10,342.92 = 4,137.56/x
  3. Step 3: Cross multiply
    7,494.75x = 10,342.92 × 4,137.56
  4. Step 4: Simplify right side
    7,494.75x = 42,794,400.36
  5. Step 5: Solve for x
    x = 42,794,400.36/7,494.75
  6. Step 6: Final answer
    x = 5,709.92

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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.