Home / 8,144.45-11,239.05-4,559.29

Finding the Fourth Proportional to 8,144.45, 11,239.05 and 4,559.29

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Solution

The fourth proportional to 8,144.45, 11,239.05 and 4,559.29 is: 6,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.45 : 11,239.05 = 4,559.29 : x
  2. Step 2: Convert to fraction form
    8,144.45/11,239.05 = 4,559.29/x
  3. Step 3: Cross multiply
    8,144.45x = 11,239.05 × 4,559.29
  4. Step 4: Simplify right side
    8,144.45x = 51,242,077.27
  5. Step 5: Solve for x
    x = 51,242,077.27/8,144.45
  6. Step 6: Final answer
    x = 6,291.66

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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.