Home / 4,253.31-6,380.64-1,330.92

Finding the Fourth Proportional to 4,253.31, 6,380.64 and 1,330.92

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Solution

The fourth proportional to 4,253.31, 6,380.64 and 1,330.92 is: 1,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.31 : 6,380.64 = 1,330.92 : x
  2. Step 2: Convert to fraction form
    4,253.31/6,380.64 = 1,330.92/x
  3. Step 3: Cross multiply
    4,253.31x = 6,380.64 × 1,330.92
  4. Step 4: Simplify right side
    4,253.31x = 8,492,121.39
  5. Step 5: Solve for x
    x = 8,492,121.39/4,253.31
  6. Step 6: Final answer
    x = 1,996.59

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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.