Home / 4,187.95-6,278.68-1,877.83

Finding the Fourth Proportional to 4,187.95, 6,278.68 and 1,877.83

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Solution

The fourth proportional to 4,187.95, 6,278.68 and 1,877.83 is: 2,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.95 : 6,278.68 = 1,877.83 : x
  2. Step 2: Convert to fraction form
    4,187.95/6,278.68 = 1,877.83/x
  3. Step 3: Cross multiply
    4,187.95x = 6,278.68 × 1,877.83
  4. Step 4: Simplify right side
    4,187.95x = 11,790,293.66
  5. Step 5: Solve for x
    x = 11,790,293.66/4,187.95
  6. Step 6: Final answer
    x = 2,815.29

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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.