Home / 4,951.13-6,832.69-2,855.39

Finding the Fourth Proportional to 4,951.13, 6,832.69 and 2,855.39

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Solution

The fourth proportional to 4,951.13, 6,832.69 and 2,855.39 is: 3,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.13 : 6,832.69 = 2,855.39 : x
  2. Step 2: Convert to fraction form
    4,951.13/6,832.69 = 2,855.39/x
  3. Step 3: Cross multiply
    4,951.13x = 6,832.69 × 2,855.39
  4. Step 4: Simplify right side
    4,951.13x = 19,509,953.40
  5. Step 5: Solve for x
    x = 19,509,953.40/4,951.13
  6. Step 6: Final answer
    x = 3,940.51

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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.