Home / 5,143.27-7,099.58-3,375.45

Finding the Fourth Proportional to 5,143.27, 7,099.58 and 3,375.45

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Solution

The fourth proportional to 5,143.27, 7,099.58 and 3,375.45 is: 4,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.27 : 7,099.58 = 3,375.45 : x
  2. Step 2: Convert to fraction form
    5,143.27/7,099.58 = 3,375.45/x
  3. Step 3: Cross multiply
    5,143.27x = 7,099.58 × 3,375.45
  4. Step 4: Simplify right side
    5,143.27x = 23,964,277.31
  5. Step 5: Solve for x
    x = 23,964,277.31/5,143.27
  6. Step 6: Final answer
    x = 4,659.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.