Home / 4,680.28-6,455.46-3,185.92

Finding the Fourth Proportional to 4,680.28, 6,455.46 and 3,185.92

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Solution

The fourth proportional to 4,680.28, 6,455.46 and 3,185.92 is: 4,394.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.28 : 6,455.46 = 3,185.92 : x
  2. Step 2: Convert to fraction form
    4,680.28/6,455.46 = 3,185.92/x
  3. Step 3: Cross multiply
    4,680.28x = 6,455.46 × 3,185.92
  4. Step 4: Simplify right side
    4,680.28x = 20,566,579.12
  5. Step 5: Solve for x
    x = 20,566,579.12/4,680.28
  6. Step 6: Final answer
    x = 4,394.31

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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.