Home / 4,113.47-6,168.96-3,455.55

Finding the Fourth Proportional to 4,113.47, 6,168.96 and 3,455.55

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Solution

The fourth proportional to 4,113.47, 6,168.96 and 3,455.55 is: 5,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.47 : 6,168.96 = 3,455.55 : x
  2. Step 2: Convert to fraction form
    4,113.47/6,168.96 = 3,455.55/x
  3. Step 3: Cross multiply
    4,113.47x = 6,168.96 × 3,455.55
  4. Step 4: Simplify right side
    4,113.47x = 21,317,149.73
  5. Step 5: Solve for x
    x = 21,317,149.73/4,113.47
  6. Step 6: Final answer
    x = 5,182.28

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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.