Home / 4,128.88-6,184.56-3,247.20

Finding the Fourth Proportional to 4,128.88, 6,184.56 and 3,247.20

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Solution

The fourth proportional to 4,128.88, 6,184.56 and 3,247.20 is: 4,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.88 : 6,184.56 = 3,247.20 : x
  2. Step 2: Convert to fraction form
    4,128.88/6,184.56 = 3,247.20/x
  3. Step 3: Cross multiply
    4,128.88x = 6,184.56 × 3,247.20
  4. Step 4: Simplify right side
    4,128.88x = 20,082,503.23
  5. Step 5: Solve for x
    x = 20,082,503.23/4,128.88
  6. Step 6: Final answer
    x = 4,863.91

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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.