Home / 7,713.20-10,634.26-6,295.43

Finding the Fourth Proportional to 7,713.20, 10,634.26 and 6,295.43

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Solution

The fourth proportional to 7,713.20, 10,634.26 and 6,295.43 is: 8,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.20 : 10,634.26 = 6,295.43 : x
  2. Step 2: Convert to fraction form
    7,713.20/10,634.26 = 6,295.43/x
  3. Step 3: Cross multiply
    7,713.20x = 10,634.26 × 6,295.43
  4. Step 4: Simplify right side
    7,713.20x = 66,947,239.43
  5. Step 5: Solve for x
    x = 66,947,239.43/7,713.20
  6. Step 6: Final answer
    x = 8,679.57

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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.