Home / 9,935.80-14,903.66-2,540.25

Finding the Fourth Proportional to 9,935.80, 14,903.66 and 2,540.25

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Solution

The fourth proportional to 9,935.80, 14,903.66 and 2,540.25 is: 3,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.80 : 14,903.66 = 2,540.25 : x
  2. Step 2: Convert to fraction form
    9,935.80/14,903.66 = 2,540.25/x
  3. Step 3: Cross multiply
    9,935.80x = 14,903.66 × 2,540.25
  4. Step 4: Simplify right side
    9,935.80x = 37,858,947.80
  5. Step 5: Solve for x
    x = 37,858,947.80/9,935.80
  6. Step 6: Final answer
    x = 3,810.36

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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.