Home / 8,785.49-13,176.77-2,942.06

Finding the Fourth Proportional to 8,785.49, 13,176.77 and 2,942.06

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Solution

The fourth proportional to 8,785.49, 13,176.77 and 2,942.06 is: 4,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.49 : 13,176.77 = 2,942.06 : x
  2. Step 2: Convert to fraction form
    8,785.49/13,176.77 = 2,942.06/x
  3. Step 3: Cross multiply
    8,785.49x = 13,176.77 × 2,942.06
  4. Step 4: Simplify right side
    8,785.49x = 38,766,767.35
  5. Step 5: Solve for x
    x = 38,766,767.35/8,785.49
  6. Step 6: Final answer
    x = 4,412.59

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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.