Home / 7,703.97-11,555.05-2,157.75

Finding the Fourth Proportional to 7,703.97, 11,555.05 and 2,157.75

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Solution

The fourth proportional to 7,703.97, 11,555.05 and 2,157.75 is: 3,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.97 : 11,555.05 = 2,157.75 : x
  2. Step 2: Convert to fraction form
    7,703.97/11,555.05 = 2,157.75/x
  3. Step 3: Cross multiply
    7,703.97x = 11,555.05 × 2,157.75
  4. Step 4: Simplify right side
    7,703.97x = 24,932,909.14
  5. Step 5: Solve for x
    x = 24,932,909.14/7,703.97
  6. Step 6: Final answer
    x = 3,236.37

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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.