Home / 4,669.36-6,443.74-2,679.86

Finding the Fourth Proportional to 4,669.36, 6,443.74 and 2,679.86

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Solution

The fourth proportional to 4,669.36, 6,443.74 and 2,679.86 is: 3,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.36 : 6,443.74 = 2,679.86 : x
  2. Step 2: Convert to fraction form
    4,669.36/6,443.74 = 2,679.86/x
  3. Step 3: Cross multiply
    4,669.36x = 6,443.74 × 2,679.86
  4. Step 4: Simplify right side
    4,669.36x = 17,268,321.08
  5. Step 5: Solve for x
    x = 17,268,321.08/4,669.36
  6. Step 6: Final answer
    x = 3,698.22

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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.