Home / 7,449.76-11,174.40-2,519.36

Finding the Fourth Proportional to 7,449.76, 11,174.40 and 2,519.36

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Solution

The fourth proportional to 7,449.76, 11,174.40 and 2,519.36 is: 3,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.76 : 11,174.40 = 2,519.36 : x
  2. Step 2: Convert to fraction form
    7,449.76/11,174.40 = 2,519.36/x
  3. Step 3: Cross multiply
    7,449.76x = 11,174.40 × 2,519.36
  4. Step 4: Simplify right side
    7,449.76x = 28,152,336.38
  5. Step 5: Solve for x
    x = 28,152,336.38/7,449.76
  6. Step 6: Final answer
    x = 3,778.96

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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.