Home / 4,112.84-6,159.52-3,179.72

Finding the Fourth Proportional to 4,112.84, 6,159.52 and 3,179.72

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Solution

The fourth proportional to 4,112.84, 6,159.52 and 3,179.72 is: 4,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.84 : 6,159.52 = 3,179.72 : x
  2. Step 2: Convert to fraction form
    4,112.84/6,159.52 = 3,179.72/x
  3. Step 3: Cross multiply
    4,112.84x = 6,159.52 × 3,179.72
  4. Step 4: Simplify right side
    4,112.84x = 19,585,548.93
  5. Step 5: Solve for x
    x = 19,585,548.93/4,112.84
  6. Step 6: Final answer
    x = 4,762.05

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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.