Home / 4,276.46-6,419.54-2,871.92

Finding the Fourth Proportional to 4,276.46, 6,419.54 and 2,871.92

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Solution

The fourth proportional to 4,276.46, 6,419.54 and 2,871.92 is: 4,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.46 : 6,419.54 = 2,871.92 : x
  2. Step 2: Convert to fraction form
    4,276.46/6,419.54 = 2,871.92/x
  3. Step 3: Cross multiply
    4,276.46x = 6,419.54 × 2,871.92
  4. Step 4: Simplify right side
    4,276.46x = 18,436,405.32
  5. Step 5: Solve for x
    x = 18,436,405.32/4,276.46
  6. Step 6: Final answer
    x = 4,311.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.