Home / 5,101.47-7,653.03-2,179.80

Finding the Fourth Proportional to 5,101.47, 7,653.03 and 2,179.80

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Solution

The fourth proportional to 5,101.47, 7,653.03 and 2,179.80 is: 3,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.47 : 7,653.03 = 2,179.80 : x
  2. Step 2: Convert to fraction form
    5,101.47/7,653.03 = 2,179.80/x
  3. Step 3: Cross multiply
    5,101.47x = 7,653.03 × 2,179.80
  4. Step 4: Simplify right side
    5,101.47x = 16,682,074.79
  5. Step 5: Solve for x
    x = 16,682,074.79/5,101.47
  6. Step 6: Final answer
    x = 3,270.05

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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.