Home / 7,489.68-11,236.28-2,559.36

Finding the Fourth Proportional to 7,489.68, 11,236.28 and 2,559.36

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Solution

The fourth proportional to 7,489.68, 11,236.28 and 2,559.36 is: 3,839.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.68 : 11,236.28 = 2,559.36 : x
  2. Step 2: Convert to fraction form
    7,489.68/11,236.28 = 2,559.36/x
  3. Step 3: Cross multiply
    7,489.68x = 11,236.28 × 2,559.36
  4. Step 4: Simplify right side
    7,489.68x = 28,757,685.58
  5. Step 5: Solve for x
    x = 28,757,685.58/7,489.68
  6. Step 6: Final answer
    x = 3,839.64

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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.