Home / 7,518.41-11,276.50-1,971.85

Finding the Fourth Proportional to 7,518.41, 11,276.50 and 1,971.85

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Solution

The fourth proportional to 7,518.41, 11,276.50 and 1,971.85 is: 2,957.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.41 : 11,276.50 = 1,971.85 : x
  2. Step 2: Convert to fraction form
    7,518.41/11,276.50 = 1,971.85/x
  3. Step 3: Cross multiply
    7,518.41x = 11,276.50 × 1,971.85
  4. Step 4: Simplify right side
    7,518.41x = 22,235,556.67
  5. Step 5: Solve for x
    x = 22,235,556.67/7,518.41
  6. Step 6: Final answer
    x = 2,957.48

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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.