Home / 7,445.59-11,168.63-3,745.79

Finding the Fourth Proportional to 7,445.59, 11,168.63 and 3,745.79

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Solution

The fourth proportional to 7,445.59, 11,168.63 and 3,745.79 is: 5,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.59 : 11,168.63 = 3,745.79 : x
  2. Step 2: Convert to fraction form
    7,445.59/11,168.63 = 3,745.79/x
  3. Step 3: Cross multiply
    7,445.59x = 11,168.63 × 3,745.79
  4. Step 4: Simplify right side
    7,445.59x = 41,835,323.84
  5. Step 5: Solve for x
    x = 41,835,323.84/7,445.59
  6. Step 6: Final answer
    x = 5,618.81

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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.