Home / 4,320.56-6,481.62-2,678.96

Finding the Fourth Proportional to 4,320.56, 6,481.62 and 2,678.96

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Solution

The fourth proportional to 4,320.56, 6,481.62 and 2,678.96 is: 4,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.56 : 6,481.62 = 2,678.96 : x
  2. Step 2: Convert to fraction form
    4,320.56/6,481.62 = 2,678.96/x
  3. Step 3: Cross multiply
    4,320.56x = 6,481.62 × 2,678.96
  4. Step 4: Simplify right side
    4,320.56x = 17,364,000.72
  5. Step 5: Solve for x
    x = 17,364,000.72/4,320.56
  6. Step 6: Final answer
    x = 4,018.92

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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.