Home / 6,453.68-9,679.61-2,070.57

Finding the Fourth Proportional to 6,453.68, 9,679.61 and 2,070.57

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Solution

The fourth proportional to 6,453.68, 9,679.61 and 2,070.57 is: 3,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.68 : 9,679.61 = 2,070.57 : x
  2. Step 2: Convert to fraction form
    6,453.68/9,679.61 = 2,070.57/x
  3. Step 3: Cross multiply
    6,453.68x = 9,679.61 × 2,070.57
  4. Step 4: Simplify right side
    6,453.68x = 20,042,299.72
  5. Step 5: Solve for x
    x = 20,042,299.72/6,453.68
  6. Step 6: Final answer
    x = 3,105.56

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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.