Home / 4,487.46-6,728.96-2,842.76

Finding the Fourth Proportional to 4,487.46, 6,728.96 and 2,842.76

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Solution

The fourth proportional to 4,487.46, 6,728.96 and 2,842.76 is: 4,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.46 : 6,728.96 = 2,842.76 : x
  2. Step 2: Convert to fraction form
    4,487.46/6,728.96 = 2,842.76/x
  3. Step 3: Cross multiply
    4,487.46x = 6,728.96 × 2,842.76
  4. Step 4: Simplify right side
    4,487.46x = 19,128,770.47
  5. Step 5: Solve for x
    x = 19,128,770.47/4,487.46
  6. Step 6: Final answer
    x = 4,262.72

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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.