Home / 7,238.75-10,858.19-3,954.60

Finding the Fourth Proportional to 7,238.75, 10,858.19 and 3,954.60

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Solution

The fourth proportional to 7,238.75, 10,858.19 and 3,954.60 is: 5,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.75 : 10,858.19 = 3,954.60 : x
  2. Step 2: Convert to fraction form
    7,238.75/10,858.19 = 3,954.60/x
  3. Step 3: Cross multiply
    7,238.75x = 10,858.19 × 3,954.60
  4. Step 4: Simplify right side
    7,238.75x = 42,939,778.40
  5. Step 5: Solve for x
    x = 42,939,778.40/7,238.75
  6. Step 6: Final answer
    x = 5,931.94

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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.