Home / 4,518.12-6,768.72-2,663.70

Finding the Fourth Proportional to 4,518.12, 6,768.72 and 2,663.70

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Solution

The fourth proportional to 4,518.12, 6,768.72 and 2,663.70 is: 3,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.12 : 6,768.72 = 2,663.70 : x
  2. Step 2: Convert to fraction form
    4,518.12/6,768.72 = 2,663.70/x
  3. Step 3: Cross multiply
    4,518.12x = 6,768.72 × 2,663.70
  4. Step 4: Simplify right side
    4,518.12x = 18,029,839.46
  5. Step 5: Solve for x
    x = 18,029,839.46/4,518.12
  6. Step 6: Final answer
    x = 3,990.56

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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.