Home / 6,403.05-9,605.79-2,021.76

Finding the Fourth Proportional to 6,403.05, 9,605.79 and 2,021.76

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Solution

The fourth proportional to 6,403.05, 9,605.79 and 2,021.76 is: 3,033.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.05 : 9,605.79 = 2,021.76 : x
  2. Step 2: Convert to fraction form
    6,403.05/9,605.79 = 2,021.76/x
  3. Step 3: Cross multiply
    6,403.05x = 9,605.79 × 2,021.76
  4. Step 4: Simplify right side
    6,403.05x = 19,420,601.99
  5. Step 5: Solve for x
    x = 19,420,601.99/6,403.05
  6. Step 6: Final answer
    x = 3,033.02

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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.