Home / 7,668.90-11,500.44-2,737.62

Finding the Fourth Proportional to 7,668.90, 11,500.44 and 2,737.62

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Solution

The fourth proportional to 7,668.90, 11,500.44 and 2,737.62 is: 4,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.90 : 11,500.44 = 2,737.62 : x
  2. Step 2: Convert to fraction form
    7,668.90/11,500.44 = 2,737.62/x
  3. Step 3: Cross multiply
    7,668.90x = 11,500.44 × 2,737.62
  4. Step 4: Simplify right side
    7,668.90x = 31,483,834.55
  5. Step 5: Solve for x
    x = 31,483,834.55/7,668.90
  6. Step 6: Final answer
    x = 4,105.39

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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.