Home / 5,078.85-7,011.84-3,192.03

Finding the Fourth Proportional to 5,078.85, 7,011.84 and 3,192.03

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Solution

The fourth proportional to 5,078.85, 7,011.84 and 3,192.03 is: 4,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.85 : 7,011.84 = 3,192.03 : x
  2. Step 2: Convert to fraction form
    5,078.85/7,011.84 = 3,192.03/x
  3. Step 3: Cross multiply
    5,078.85x = 7,011.84 × 3,192.03
  4. Step 4: Simplify right side
    5,078.85x = 22,382,003.64
  5. Step 5: Solve for x
    x = 22,382,003.64/5,078.85
  6. Step 6: Final answer
    x = 4,406.90

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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.