Home / 7,312.25-10,965.78-2,380.97

Finding the Fourth Proportional to 7,312.25, 10,965.78 and 2,380.97

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Solution

The fourth proportional to 7,312.25, 10,965.78 and 2,380.97 is: 3,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.25 : 10,965.78 = 2,380.97 : x
  2. Step 2: Convert to fraction form
    7,312.25/10,965.78 = 2,380.97/x
  3. Step 3: Cross multiply
    7,312.25x = 10,965.78 × 2,380.97
  4. Step 4: Simplify right side
    7,312.25x = 26,109,193.21
  5. Step 5: Solve for x
    x = 26,109,193.21/7,312.25
  6. Step 6: Final answer
    x = 3,570.61

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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.