Home / 7,517.45-10,383.99-5,770.64

Finding the Fourth Proportional to 7,517.45, 10,383.99 and 5,770.64

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Solution

The fourth proportional to 7,517.45, 10,383.99 and 5,770.64 is: 7,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.45 : 10,383.99 = 5,770.64 : x
  2. Step 2: Convert to fraction form
    7,517.45/10,383.99 = 5,770.64/x
  3. Step 3: Cross multiply
    7,517.45x = 10,383.99 × 5,770.64
  4. Step 4: Simplify right side
    7,517.45x = 59,922,268.05
  5. Step 5: Solve for x
    x = 59,922,268.05/7,517.45
  6. Step 6: Final answer
    x = 7,971.09

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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.