Home / 4,079.56-5,629.90-2,216.56

Finding the Fourth Proportional to 4,079.56, 5,629.90 and 2,216.56

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Solution

The fourth proportional to 4,079.56, 5,629.90 and 2,216.56 is: 3,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.56 : 5,629.90 = 2,216.56 : x
  2. Step 2: Convert to fraction form
    4,079.56/5,629.90 = 2,216.56/x
  3. Step 3: Cross multiply
    4,079.56x = 5,629.90 × 2,216.56
  4. Step 4: Simplify right side
    4,079.56x = 12,479,011.14
  5. Step 5: Solve for x
    x = 12,479,011.14/4,079.56
  6. Step 6: Final answer
    x = 3,058.91

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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.