Home / 7,100.87-10,651.36-2,170.60

Finding the Fourth Proportional to 7,100.87, 10,651.36 and 2,170.60

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Solution

The fourth proportional to 7,100.87, 10,651.36 and 2,170.60 is: 3,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.87 : 10,651.36 = 2,170.60 : x
  2. Step 2: Convert to fraction form
    7,100.87/10,651.36 = 2,170.60/x
  3. Step 3: Cross multiply
    7,100.87x = 10,651.36 × 2,170.60
  4. Step 4: Simplify right side
    7,100.87x = 23,119,842.02
  5. Step 5: Solve for x
    x = 23,119,842.02/7,100.87
  6. Step 6: Final answer
    x = 3,255.92

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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.