Home / 8,121.48-11,207.43-4,536.34

Finding the Fourth Proportional to 8,121.48, 11,207.43 and 4,536.34

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Solution

The fourth proportional to 8,121.48, 11,207.43 and 4,536.34 is: 6,260.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.48 : 11,207.43 = 4,536.34 : x
  2. Step 2: Convert to fraction form
    8,121.48/11,207.43 = 4,536.34/x
  3. Step 3: Cross multiply
    8,121.48x = 11,207.43 × 4,536.34
  4. Step 4: Simplify right side
    8,121.48x = 50,840,713.01
  5. Step 5: Solve for x
    x = 50,840,713.01/8,121.48
  6. Step 6: Final answer
    x = 6,260.03

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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.