Home / 5,513.72-8,273.64-4,283.60

Finding the Fourth Proportional to 5,513.72, 8,273.64 and 4,283.60

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Solution

The fourth proportional to 5,513.72, 8,273.64 and 4,283.60 is: 6,427.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.72 : 8,273.64 = 4,283.60 : x
  2. Step 2: Convert to fraction form
    5,513.72/8,273.64 = 4,283.60/x
  3. Step 3: Cross multiply
    5,513.72x = 8,273.64 × 4,283.60
  4. Step 4: Simplify right side
    5,513.72x = 35,440,964.30
  5. Step 5: Solve for x
    x = 35,440,964.30/5,513.72
  6. Step 6: Final answer
    x = 6,427.78

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1.5x scale

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.