Home / 4,276.76-6,415.12-1,198.76

Finding the Fourth Proportional to 4,276.76, 6,415.12 and 1,198.76

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Solution

The fourth proportional to 4,276.76, 6,415.12 and 1,198.76 is: 1,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.76 : 6,415.12 = 1,198.76 : x
  2. Step 2: Convert to fraction form
    4,276.76/6,415.12 = 1,198.76/x
  3. Step 3: Cross multiply
    4,276.76x = 6,415.12 × 1,198.76
  4. Step 4: Simplify right side
    4,276.76x = 7,690,189.25
  5. Step 5: Solve for x
    x = 7,690,189.25/4,276.76
  6. Step 6: Final answer
    x = 1,798.13

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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.