Home / 8,418.28-11,617.26-4,883.58

Finding the Fourth Proportional to 8,418.28, 11,617.26 and 4,883.58

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Solution

The fourth proportional to 8,418.28, 11,617.26 and 4,883.58 is: 6,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.28 : 11,617.26 = 4,883.58 : x
  2. Step 2: Convert to fraction form
    8,418.28/11,617.26 = 4,883.58/x
  3. Step 3: Cross multiply
    8,418.28x = 11,617.26 × 4,883.58
  4. Step 4: Simplify right side
    8,418.28x = 56,733,818.59
  5. Step 5: Solve for x
    x = 56,733,818.59/8,418.28
  6. Step 6: Final answer
    x = 6,739.36

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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.