Home / 4,079.07-5,629.11-2,216.07

Finding the Fourth Proportional to 4,079.07, 5,629.11 and 2,216.07

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Solution

The fourth proportional to 4,079.07, 5,629.11 and 2,216.07 is: 3,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.07 : 5,629.11 = 2,216.07 : x
  2. Step 2: Convert to fraction form
    4,079.07/5,629.11 = 2,216.07/x
  3. Step 3: Cross multiply
    4,079.07x = 5,629.11 × 2,216.07
  4. Step 4: Simplify right side
    4,079.07x = 12,474,501.80
  5. Step 5: Solve for x
    x = 12,474,501.80/4,079.07
  6. Step 6: Final answer
    x = 3,058.17

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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.