Home / 4,281.60-6,427.20-2,551.20

Finding the Fourth Proportional to 4,281.60, 6,427.20 and 2,551.20

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Solution

The fourth proportional to 4,281.60, 6,427.20 and 2,551.20 is: 3,829.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.60 : 6,427.20 = 2,551.20 : x
  2. Step 2: Convert to fraction form
    4,281.60/6,427.20 = 2,551.20/x
  3. Step 3: Cross multiply
    4,281.60x = 6,427.20 × 2,551.20
  4. Step 4: Simplify right side
    4,281.60x = 16,397,072.64
  5. Step 5: Solve for x
    x = 16,397,072.64/4,281.60
  6. Step 6: Final answer
    x = 3,829.66

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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.