Home / 7,458.24-11,189.80-3,299.30

Finding the Fourth Proportional to 7,458.24, 11,189.80 and 3,299.30

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Solution

The fourth proportional to 7,458.24, 11,189.80 and 3,299.30 is: 4,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.24 : 11,189.80 = 3,299.30 : x
  2. Step 2: Convert to fraction form
    7,458.24/11,189.80 = 3,299.30/x
  3. Step 3: Cross multiply
    7,458.24x = 11,189.80 × 3,299.30
  4. Step 4: Simplify right side
    7,458.24x = 36,918,478.72
  5. Step 5: Solve for x
    x = 36,918,478.72/7,458.24
  6. Step 6: Final answer
    x = 4,950.02

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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.