Home / 6,403.05-9,605.08-2,020.85

Finding the Fourth Proportional to 6,403.05, 9,605.08 and 2,020.85

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Solution

The fourth proportional to 6,403.05, 9,605.08 and 2,020.85 is: 3,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.05 : 9,605.08 = 2,020.85 : x
  2. Step 2: Convert to fraction form
    6,403.05/9,605.08 = 2,020.85/x
  3. Step 3: Cross multiply
    6,403.05x = 9,605.08 × 2,020.85
  4. Step 4: Simplify right side
    6,403.05x = 19,410,416.44
  5. Step 5: Solve for x
    x = 19,410,416.44/6,403.05
  6. Step 6: Final answer
    x = 3,031.43

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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.