Home / 8,680.24-11,979.46-4,904.09

Finding the Fourth Proportional to 8,680.24, 11,979.46 and 4,904.09

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Solution

The fourth proportional to 8,680.24, 11,979.46 and 4,904.09 is: 6,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.24 : 11,979.46 = 4,904.09 : x
  2. Step 2: Convert to fraction form
    8,680.24/11,979.46 = 4,904.09/x
  3. Step 3: Cross multiply
    8,680.24x = 11,979.46 × 4,904.09
  4. Step 4: Simplify right side
    8,680.24x = 58,748,379.94
  5. Step 5: Solve for x
    x = 58,748,379.94/8,680.24
  6. Step 6: Final answer
    x = 6,768.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.