Home / 4,071.89-6,138.37-3,800.64

Finding the Fourth Proportional to 4,071.89, 6,138.37 and 3,800.64

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Solution

The fourth proportional to 4,071.89, 6,138.37 and 3,800.64 is: 5,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.89 : 6,138.37 = 3,800.64 : x
  2. Step 2: Convert to fraction form
    4,071.89/6,138.37 = 3,800.64/x
  3. Step 3: Cross multiply
    4,071.89x = 6,138.37 × 3,800.64
  4. Step 4: Simplify right side
    4,071.89x = 23,329,715.55
  5. Step 5: Solve for x
    x = 23,329,715.55/4,071.89
  6. Step 6: Final answer
    x = 5,729.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.