Home / 4,276.40-6,383.68-3,955.76

Finding the Fourth Proportional to 4,276.40, 6,383.68 and 3,955.76

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Solution

The fourth proportional to 4,276.40, 6,383.68 and 3,955.76 is: 5,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.40 : 6,383.68 = 3,955.76 : x
  2. Step 2: Convert to fraction form
    4,276.40/6,383.68 = 3,955.76/x
  3. Step 3: Cross multiply
    4,276.40x = 6,383.68 × 3,955.76
  4. Step 4: Simplify right side
    4,276.40x = 25,252,306.00
  5. Step 5: Solve for x
    x = 25,252,306.00/4,276.40
  6. Step 6: Final answer
    x = 5,905.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.