Home / 8,229.90-11,357.22-4,453.08

Finding the Fourth Proportional to 8,229.90, 11,357.22 and 4,453.08

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Solution

The fourth proportional to 8,229.90, 11,357.22 and 4,453.08 is: 6,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.90 : 11,357.22 = 4,453.08 : x
  2. Step 2: Convert to fraction form
    8,229.90/11,357.22 = 4,453.08/x
  3. Step 3: Cross multiply
    8,229.90x = 11,357.22 × 4,453.08
  4. Step 4: Simplify right side
    8,229.90x = 50,574,609.24
  5. Step 5: Solve for x
    x = 50,574,609.24/8,229.90
  6. Step 6: Final answer
    x = 6,145.23

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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.