Home / 8,694.36-13,030.74-4,945.95

Finding the Fourth Proportional to 8,694.36, 13,030.74 and 4,945.95

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Solution

The fourth proportional to 8,694.36, 13,030.74 and 4,945.95 is: 7,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.36 : 13,030.74 = 4,945.95 : x
  2. Step 2: Convert to fraction form
    8,694.36/13,030.74 = 4,945.95/x
  3. Step 3: Cross multiply
    8,694.36x = 13,030.74 × 4,945.95
  4. Step 4: Simplify right side
    8,694.36x = 64,449,388.50
  5. Step 5: Solve for x
    x = 64,449,388.50/8,694.36
  6. Step 6: Final answer
    x = 7,412.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.