Home / 7,450.28-11,174.56-2,519.91

Finding the Fourth Proportional to 7,450.28, 11,174.56 and 2,519.91

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Solution

The fourth proportional to 7,450.28, 11,174.56 and 2,519.91 is: 3,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.28 : 11,174.56 = 2,519.91 : x
  2. Step 2: Convert to fraction form
    7,450.28/11,174.56 = 2,519.91/x
  3. Step 3: Cross multiply
    7,450.28x = 11,174.56 × 2,519.91
  4. Step 4: Simplify right side
    7,450.28x = 28,158,879.19
  5. Step 5: Solve for x
    x = 28,158,879.19/7,450.28
  6. Step 6: Final answer
    x = 3,779.57

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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.