Home / 5,515.60-8,274.75-2,743.58

Finding the Fourth Proportional to 5,515.60, 8,274.75 and 2,743.58

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Solution

The fourth proportional to 5,515.60, 8,274.75 and 2,743.58 is: 4,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.60 : 8,274.75 = 2,743.58 : x
  2. Step 2: Convert to fraction form
    5,515.60/8,274.75 = 2,743.58/x
  3. Step 3: Cross multiply
    5,515.60x = 8,274.75 × 2,743.58
  4. Step 4: Simplify right side
    5,515.60x = 22,702,438.61
  5. Step 5: Solve for x
    x = 22,702,438.61/5,515.60
  6. Step 6: Final answer
    x = 4,116.04

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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.