Home / 9,305.89-13,959.05-2,380.39

Finding the Fourth Proportional to 9,305.89, 13,959.05 and 2,380.39

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Solution

The fourth proportional to 9,305.89, 13,959.05 and 2,380.39 is: 3,570.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.89 : 13,959.05 = 2,380.39 : x
  2. Step 2: Convert to fraction form
    9,305.89/13,959.05 = 2,380.39/x
  3. Step 3: Cross multiply
    9,305.89x = 13,959.05 × 2,380.39
  4. Step 4: Simplify right side
    9,305.89x = 33,227,936.23
  5. Step 5: Solve for x
    x = 33,227,936.23/9,305.89
  6. Step 6: Final answer
    x = 3,570.64

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1.5x scale

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.