Home / 4,276.14-6,405.90-2,421.54

Finding the Fourth Proportional to 4,276.14, 6,405.90 and 2,421.54

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Solution

The fourth proportional to 4,276.14, 6,405.90 and 2,421.54 is: 3,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.14 : 6,405.90 = 2,421.54 : x
  2. Step 2: Convert to fraction form
    4,276.14/6,405.90 = 2,421.54/x
  3. Step 3: Cross multiply
    4,276.14x = 6,405.90 × 2,421.54
  4. Step 4: Simplify right side
    4,276.14x = 15,512,143.09
  5. Step 5: Solve for x
    x = 15,512,143.09/4,276.14
  6. Step 6: Final answer
    x = 3,627.60

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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.