Home / 7,429.55-11,144.30-1,882.87

Finding the Fourth Proportional to 7,429.55, 11,144.30 and 1,882.87

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Solution

The fourth proportional to 7,429.55, 11,144.30 and 1,882.87 is: 2,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.55 : 11,144.30 = 1,882.87 : x
  2. Step 2: Convert to fraction form
    7,429.55/11,144.30 = 1,882.87/x
  3. Step 3: Cross multiply
    7,429.55x = 11,144.30 × 1,882.87
  4. Step 4: Simplify right side
    7,429.55x = 20,983,272.66
  5. Step 5: Solve for x
    x = 20,983,272.66/7,429.55
  6. Step 6: Final answer
    x = 2,824.30

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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.