Home / 8,121.52-11,207.58-4,536.54

Finding the Fourth Proportional to 8,121.52, 11,207.58 and 4,536.54

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Solution

The fourth proportional to 8,121.52, 11,207.58 and 4,536.54 is: 6,260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.52 : 11,207.58 = 4,536.54 : x
  2. Step 2: Convert to fraction form
    8,121.52/11,207.58 = 4,536.54/x
  3. Step 3: Cross multiply
    8,121.52x = 11,207.58 × 4,536.54
  4. Step 4: Simplify right side
    8,121.52x = 50,843,612.29
  5. Step 5: Solve for x
    x = 50,843,612.29/8,121.52
  6. Step 6: Final answer
    x = 6,260.36

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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.