Home / 7,288.96-10,059.24-4,145.44

Finding the Fourth Proportional to 7,288.96, 10,059.24 and 4,145.44

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Solution

The fourth proportional to 7,288.96, 10,059.24 and 4,145.44 is: 5,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.96 : 10,059.24 = 4,145.44 : x
  2. Step 2: Convert to fraction form
    7,288.96/10,059.24 = 4,145.44/x
  3. Step 3: Cross multiply
    7,288.96x = 10,059.24 × 4,145.44
  4. Step 4: Simplify right side
    7,288.96x = 41,699,975.87
  5. Step 5: Solve for x
    x = 41,699,975.87/7,288.96
  6. Step 6: Final answer
    x = 5,720.98

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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.