Home / 4,186.70-6,276.81-1,876.58

Finding the Fourth Proportional to 4,186.70, 6,276.81 and 1,876.58

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Solution

The fourth proportional to 4,186.70, 6,276.81 and 1,876.58 is: 2,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.70 : 6,276.81 = 1,876.58 : x
  2. Step 2: Convert to fraction form
    4,186.70/6,276.81 = 1,876.58/x
  3. Step 3: Cross multiply
    4,186.70x = 6,276.81 × 1,876.58
  4. Step 4: Simplify right side
    4,186.70x = 11,778,926.73
  5. Step 5: Solve for x
    x = 11,778,926.73/4,186.70
  6. Step 6: Final answer
    x = 2,813.42

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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.