Home / 9,119.17-13,679.04-2,879.24

Finding the Fourth Proportional to 9,119.17, 13,679.04 and 2,879.24

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Solution

The fourth proportional to 9,119.17, 13,679.04 and 2,879.24 is: 4,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.17 : 13,679.04 = 2,879.24 : x
  2. Step 2: Convert to fraction form
    9,119.17/13,679.04 = 2,879.24/x
  3. Step 3: Cross multiply
    9,119.17x = 13,679.04 × 2,879.24
  4. Step 4: Simplify right side
    9,119.17x = 39,385,239.13
  5. Step 5: Solve for x
    x = 39,385,239.13/9,119.17
  6. Step 6: Final answer
    x = 4,318.95

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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.