Home / 4,857.12-6,706.08-3,179.52

Finding the Fourth Proportional to 4,857.12, 6,706.08 and 3,179.52

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Solution

The fourth proportional to 4,857.12, 6,706.08 and 3,179.52 is: 4,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.12 : 6,706.08 = 3,179.52 : x
  2. Step 2: Convert to fraction form
    4,857.12/6,706.08 = 3,179.52/x
  3. Step 3: Cross multiply
    4,857.12x = 6,706.08 × 3,179.52
  4. Step 4: Simplify right side
    4,857.12x = 21,322,115.48
  5. Step 5: Solve for x
    x = 21,322,115.48/4,857.12
  6. Step 6: Final answer
    x = 4,389.87

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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.