Home / 4,669.28-6,443.88-2,679.84

Finding the Fourth Proportional to 4,669.28, 6,443.88 and 2,679.84

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Solution

The fourth proportional to 4,669.28, 6,443.88 and 2,679.84 is: 3,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.28 : 6,443.88 = 2,679.84 : x
  2. Step 2: Convert to fraction form
    4,669.28/6,443.88 = 2,679.84/x
  3. Step 3: Cross multiply
    4,669.28x = 6,443.88 × 2,679.84
  4. Step 4: Simplify right side
    4,669.28x = 17,268,567.38
  5. Step 5: Solve for x
    x = 17,268,567.38/4,669.28
  6. Step 6: Final answer
    x = 3,698.34

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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.