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Finding the Fourth Proportional to 6,958.68, 10,489.99 and 6,367.59

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Solution

The fourth proportional to 6,958.68, 10,489.99 and 6,367.59 is: 9,598.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,958.68 : 10,489.99 = 6,367.59 : x
  2. Step 2: Convert to fraction form
    6,958.68/10,489.99 = 6,367.59/x
  3. Step 3: Cross multiply
    6,958.68x = 10,489.99 × 6,367.59
  4. Step 4: Simplify right side
    6,958.68x = 66,795,955.42
  5. Step 5: Solve for x
    x = 66,795,955.42/6,958.68
  6. Step 6: Final answer
    x = 9,598.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.