Home / 4,079.47-5,629.67-2,216.47

Finding the Fourth Proportional to 4,079.47, 5,629.67 and 2,216.47

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Solution

The fourth proportional to 4,079.47, 5,629.67 and 2,216.47 is: 3,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.47 : 5,629.67 = 2,216.47 : x
  2. Step 2: Convert to fraction form
    4,079.47/5,629.67 = 2,216.47/x
  3. Step 3: Cross multiply
    4,079.47x = 5,629.67 × 2,216.47
  4. Step 4: Simplify right side
    4,079.47x = 12,477,955.43
  5. Step 5: Solve for x
    x = 12,477,955.43/4,079.47
  6. Step 6: Final answer
    x = 3,058.72

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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.