Home / 7,625.97-11,438.78-2,079.63

Finding the Fourth Proportional to 7,625.97, 11,438.78 and 2,079.63

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Solution

The fourth proportional to 7,625.97, 11,438.78 and 2,079.63 is: 3,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.97 : 11,438.78 = 2,079.63 : x
  2. Step 2: Convert to fraction form
    7,625.97/11,438.78 = 2,079.63/x
  3. Step 3: Cross multiply
    7,625.97x = 11,438.78 × 2,079.63
  4. Step 4: Simplify right side
    7,625.97x = 23,788,419.65
  5. Step 5: Solve for x
    x = 23,788,419.65/7,625.97
  6. Step 6: Final answer
    x = 3,119.40

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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.