Home / 8,419.05-11,617.49-4,881.88

Finding the Fourth Proportional to 8,419.05, 11,617.49 and 4,881.88

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Solution

The fourth proportional to 8,419.05, 11,617.49 and 4,881.88 is: 6,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.05 : 11,617.49 = 4,881.88 : x
  2. Step 2: Convert to fraction form
    8,419.05/11,617.49 = 4,881.88/x
  3. Step 3: Cross multiply
    8,419.05x = 11,617.49 × 4,881.88
  4. Step 4: Simplify right side
    8,419.05x = 56,715,109.58
  5. Step 5: Solve for x
    x = 56,715,109.58/8,419.05
  6. Step 6: Final answer
    x = 6,736.53

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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.