Home / 4,471.40-6,689.79-3,893.06

Finding the Fourth Proportional to 4,471.40, 6,689.79 and 3,893.06

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Solution

The fourth proportional to 4,471.40, 6,689.79 and 3,893.06 is: 5,824.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,471.40 : 6,689.79 = 3,893.06 : x
  2. Step 2: Convert to fraction form
    4,471.40/6,689.79 = 3,893.06/x
  3. Step 3: Cross multiply
    4,471.40x = 6,689.79 × 3,893.06
  4. Step 4: Simplify right side
    4,471.40x = 26,043,770.58
  5. Step 5: Solve for x
    x = 26,043,770.58/4,471.40
  6. Step 6: Final answer
    x = 5,824.52

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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.