Home / 7,310.94-10,965.38-2,380.65

Finding the Fourth Proportional to 7,310.94, 10,965.38 and 2,380.65

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Solution

The fourth proportional to 7,310.94, 10,965.38 and 2,380.65 is: 3,570.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.94 : 10,965.38 = 2,380.65 : x
  2. Step 2: Convert to fraction form
    7,310.94/10,965.38 = 2,380.65/x
  3. Step 3: Cross multiply
    7,310.94x = 10,965.38 × 2,380.65
  4. Step 4: Simplify right side
    7,310.94x = 26,104,719.99
  5. Step 5: Solve for x
    x = 26,104,719.99/7,310.94
  6. Step 6: Final answer
    x = 3,570.64

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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.