Home / 7,456.80-11,190.34-3,074.26

Finding the Fourth Proportional to 7,456.80, 11,190.34 and 3,074.26

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Solution

The fourth proportional to 7,456.80, 11,190.34 and 3,074.26 is: 4,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.80 : 11,190.34 = 3,074.26 : x
  2. Step 2: Convert to fraction form
    7,456.80/11,190.34 = 3,074.26/x
  3. Step 3: Cross multiply
    7,456.80x = 11,190.34 × 3,074.26
  4. Step 4: Simplify right side
    7,456.80x = 34,402,014.65
  5. Step 5: Solve for x
    x = 34,402,014.65/7,456.80
  6. Step 6: Final answer
    x = 4,613.51

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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.