Home / 5,623.73-7,760.91-3,106.15

Finding the Fourth Proportional to 5,623.73, 7,760.91 and 3,106.15

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Solution

The fourth proportional to 5,623.73, 7,760.91 and 3,106.15 is: 4,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.73 : 7,760.91 = 3,106.15 : x
  2. Step 2: Convert to fraction form
    5,623.73/7,760.91 = 3,106.15/x
  3. Step 3: Cross multiply
    5,623.73x = 7,760.91 × 3,106.15
  4. Step 4: Simplify right side
    5,623.73x = 24,106,542.84
  5. Step 5: Solve for x
    x = 24,106,542.84/5,623.73
  6. Step 6: Final answer
    x = 4,286.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.