Home / 6,403.13-9,604.37-1,960.80

Finding the Fourth Proportional to 6,403.13, 9,604.37 and 1,960.80

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Solution

The fourth proportional to 6,403.13, 9,604.37 and 1,960.80 is: 2,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.13 : 9,604.37 = 1,960.80 : x
  2. Step 2: Convert to fraction form
    6,403.13/9,604.37 = 1,960.80/x
  3. Step 3: Cross multiply
    6,403.13x = 9,604.37 × 1,960.80
  4. Step 4: Simplify right side
    6,403.13x = 18,832,238.89
  5. Step 5: Solve for x
    x = 18,832,238.89/6,403.13
  6. Step 6: Final answer
    x = 2,941.10

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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.