Home / 7,448.28-11,171.61-2,254.56

Finding the Fourth Proportional to 7,448.28, 11,171.61 and 2,254.56

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Solution

The fourth proportional to 7,448.28, 11,171.61 and 2,254.56 is: 3,381.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.28 : 11,171.61 = 2,254.56 : x
  2. Step 2: Convert to fraction form
    7,448.28/11,171.61 = 2,254.56/x
  3. Step 3: Cross multiply
    7,448.28x = 11,171.61 × 2,254.56
  4. Step 4: Simplify right side
    7,448.28x = 25,187,065.04
  5. Step 5: Solve for x
    x = 25,187,065.04/7,448.28
  6. Step 6: Final answer
    x = 3,381.59

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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.