Home / 4,251.96-6,378.21-1,330.02

Finding the Fourth Proportional to 4,251.96, 6,378.21 and 1,330.02

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Solution

The fourth proportional to 4,251.96, 6,378.21 and 1,330.02 is: 1,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.96 : 6,378.21 = 1,330.02 : x
  2. Step 2: Convert to fraction form
    4,251.96/6,378.21 = 1,330.02/x
  3. Step 3: Cross multiply
    4,251.96x = 6,378.21 × 1,330.02
  4. Step 4: Simplify right side
    4,251.96x = 8,483,146.86
  5. Step 5: Solve for x
    x = 8,483,146.86/4,251.96
  6. Step 6: Final answer
    x = 1,995.11

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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.