Home / 8,127.43-11,215.74-4,591.78

Finding the Fourth Proportional to 8,127.43, 11,215.74 and 4,591.78

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Solution

The fourth proportional to 8,127.43, 11,215.74 and 4,591.78 is: 6,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.43 : 11,215.74 = 4,591.78 : x
  2. Step 2: Convert to fraction form
    8,127.43/11,215.74 = 4,591.78/x
  3. Step 3: Cross multiply
    8,127.43x = 11,215.74 × 4,591.78
  4. Step 4: Simplify right side
    8,127.43x = 51,500,210.62
  5. Step 5: Solve for x
    x = 51,500,210.62/8,127.43
  6. Step 6: Final answer
    x = 6,336.59

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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.