Home / 6,542.73-9,814.68-2,100.86

Finding the Fourth Proportional to 6,542.73, 9,814.68 and 2,100.86

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Solution

The fourth proportional to 6,542.73, 9,814.68 and 2,100.86 is: 3,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.73 : 9,814.68 = 2,100.86 : x
  2. Step 2: Convert to fraction form
    6,542.73/9,814.68 = 2,100.86/x
  3. Step 3: Cross multiply
    6,542.73x = 9,814.68 × 2,100.86
  4. Step 4: Simplify right side
    6,542.73x = 20,619,219.55
  5. Step 5: Solve for x
    x = 20,619,219.55/6,542.73
  6. Step 6: Final answer
    x = 3,151.47

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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.