Home / 8,418.13-11,614.41-4,880.66

Finding the Fourth Proportional to 8,418.13, 11,614.41 and 4,880.66

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Solution

The fourth proportional to 8,418.13, 11,614.41 and 4,880.66 is: 6,733.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.13 : 11,614.41 = 4,880.66 : x
  2. Step 2: Convert to fraction form
    8,418.13/11,614.41 = 4,880.66/x
  3. Step 3: Cross multiply
    8,418.13x = 11,614.41 × 4,880.66
  4. Step 4: Simplify right side
    8,418.13x = 56,685,941.97
  5. Step 5: Solve for x
    x = 56,685,941.97/8,418.13
  6. Step 6: Final answer
    x = 6,733.79

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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.