Home / 8,939.82-13,409.50-4,263.13

Finding the Fourth Proportional to 8,939.82, 13,409.50 and 4,263.13

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Solution

The fourth proportional to 8,939.82, 13,409.50 and 4,263.13 is: 6,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.82 : 13,409.50 = 4,263.13 : x
  2. Step 2: Convert to fraction form
    8,939.82/13,409.50 = 4,263.13/x
  3. Step 3: Cross multiply
    8,939.82x = 13,409.50 × 4,263.13
  4. Step 4: Simplify right side
    8,939.82x = 57,166,455.83
  5. Step 5: Solve for x
    x = 57,166,455.83/8,939.82
  6. Step 6: Final answer
    x = 6,394.59

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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.