Home / 4,200.08-6,299.84-1,278.41

Finding the Fourth Proportional to 4,200.08, 6,299.84 and 1,278.41

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Solution

The fourth proportional to 4,200.08, 6,299.84 and 1,278.41 is: 1,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.08 : 6,299.84 = 1,278.41 : x
  2. Step 2: Convert to fraction form
    4,200.08/6,299.84 = 1,278.41/x
  3. Step 3: Cross multiply
    4,200.08x = 6,299.84 × 1,278.41
  4. Step 4: Simplify right side
    4,200.08x = 8,053,750.15
  5. Step 5: Solve for x
    x = 8,053,750.15/4,200.08
  6. Step 6: Final answer
    x = 1,917.53

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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.