Home / 4,079.20-6,115.36-1,768.96

Finding the Fourth Proportional to 4,079.20, 6,115.36 and 1,768.96

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Solution

The fourth proportional to 4,079.20, 6,115.36 and 1,768.96 is: 2,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.20 : 6,115.36 = 1,768.96 : x
  2. Step 2: Convert to fraction form
    4,079.20/6,115.36 = 1,768.96/x
  3. Step 3: Cross multiply
    4,079.20x = 6,115.36 × 1,768.96
  4. Step 4: Simplify right side
    4,079.20x = 10,817,827.23
  5. Step 5: Solve for x
    x = 10,817,827.23/4,079.20
  6. Step 6: Final answer
    x = 2,651.95

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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.