Home / 4,202.16-6,302.82-1,280.50

Finding the Fourth Proportional to 4,202.16, 6,302.82 and 1,280.50

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Solution

The fourth proportional to 4,202.16, 6,302.82 and 1,280.50 is: 1,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.16 : 6,302.82 = 1,280.50 : x
  2. Step 2: Convert to fraction form
    4,202.16/6,302.82 = 1,280.50/x
  3. Step 3: Cross multiply
    4,202.16x = 6,302.82 × 1,280.50
  4. Step 4: Simplify right side
    4,202.16x = 8,070,761.01
  5. Step 5: Solve for x
    x = 8,070,761.01/4,202.16
  6. Step 6: Final answer
    x = 1,920.62

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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.