Home / 8,960.82-13,444.51-3,119.10

Finding the Fourth Proportional to 8,960.82, 13,444.51 and 3,119.10

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Solution

The fourth proportional to 8,960.82, 13,444.51 and 3,119.10 is: 4,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.82 : 13,444.51 = 3,119.10 : x
  2. Step 2: Convert to fraction form
    8,960.82/13,444.51 = 3,119.10/x
  3. Step 3: Cross multiply
    8,960.82x = 13,444.51 × 3,119.10
  4. Step 4: Simplify right side
    8,960.82x = 41,934,703.92
  5. Step 5: Solve for x
    x = 41,934,703.92/8,960.82
  6. Step 6: Final answer
    x = 4,679.79

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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.