Home / 8,956.48-13,434.76-3,109

Finding the Fourth Proportional to 8,956.48, 13,434.76 and 3,109

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Solution

The fourth proportional to 8,956.48, 13,434.76 and 3,109 is: 4,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.48 : 13,434.76 = 3,109 : x
  2. Step 2: Convert to fraction form
    8,956.48/13,434.76 = 3,109/x
  3. Step 3: Cross multiply
    8,956.48x = 13,434.76 × 3,109
  4. Step 4: Simplify right side
    8,956.48x = 41,768,668.84
  5. Step 5: Solve for x
    x = 41,768,668.84/8,956.48
  6. Step 6: Final answer
    x = 4,663.51

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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.