Home / 4,127.67-6,185.97-3,438.72

Finding the Fourth Proportional to 4,127.67, 6,185.97 and 3,438.72

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Solution

The fourth proportional to 4,127.67, 6,185.97 and 3,438.72 is: 5,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.67 : 6,185.97 = 3,438.72 : x
  2. Step 2: Convert to fraction form
    4,127.67/6,185.97 = 3,438.72/x
  3. Step 3: Cross multiply
    4,127.67x = 6,185.97 × 3,438.72
  4. Step 4: Simplify right side
    4,127.67x = 21,271,818.76
  5. Step 5: Solve for x
    x = 21,271,818.76/4,127.67
  6. Step 6: Final answer
    x = 5,153.47

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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.