Home / 4,672.26-6,447.70-2,809.26

Finding the Fourth Proportional to 4,672.26, 6,447.70 and 2,809.26

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Solution

The fourth proportional to 4,672.26, 6,447.70 and 2,809.26 is: 3,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.26 : 6,447.70 = 2,809.26 : x
  2. Step 2: Convert to fraction form
    4,672.26/6,447.70 = 2,809.26/x
  3. Step 3: Cross multiply
    4,672.26x = 6,447.70 × 2,809.26
  4. Step 4: Simplify right side
    4,672.26x = 18,113,265.70
  5. Step 5: Solve for x
    x = 18,113,265.70/4,672.26
  6. Step 6: Final answer
    x = 3,876.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.