Home / 8,959.12-13,444.07-3,119.83

Finding the Fourth Proportional to 8,959.12, 13,444.07 and 3,119.83

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Solution

The fourth proportional to 8,959.12, 13,444.07 and 3,119.83 is: 4,681.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.12 : 13,444.07 = 3,119.83 : x
  2. Step 2: Convert to fraction form
    8,959.12/13,444.07 = 3,119.83/x
  3. Step 3: Cross multiply
    8,959.12x = 13,444.07 × 3,119.83
  4. Step 4: Simplify right side
    8,959.12x = 41,943,163.70
  5. Step 5: Solve for x
    x = 41,943,163.70/8,959.12
  6. Step 6: Final answer
    x = 4,681.62

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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.