Home / 7,485.99-11,222.89-2,803.38

Finding the Fourth Proportional to 7,485.99, 11,222.89 and 2,803.38

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Solution

The fourth proportional to 7,485.99, 11,222.89 and 2,803.38 is: 4,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.99 : 11,222.89 = 2,803.38 : x
  2. Step 2: Convert to fraction form
    7,485.99/11,222.89 = 2,803.38/x
  3. Step 3: Cross multiply
    7,485.99x = 11,222.89 × 2,803.38
  4. Step 4: Simplify right side
    7,485.99x = 31,462,025.37
  5. Step 5: Solve for x
    x = 31,462,025.37/7,485.99
  6. Step 6: Final answer
    x = 4,202.79

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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.