Home / 8,952.44-13,428.78-3,109.16

Finding the Fourth Proportional to 8,952.44, 13,428.78 and 3,109.16

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Solution

The fourth proportional to 8,952.44, 13,428.78 and 3,109.16 is: 4,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.44 : 13,428.78 = 3,109.16 : x
  2. Step 2: Convert to fraction form
    8,952.44/13,428.78 = 3,109.16/x
  3. Step 3: Cross multiply
    8,952.44x = 13,428.78 × 3,109.16
  4. Step 4: Simplify right side
    8,952.44x = 41,752,225.62
  5. Step 5: Solve for x
    x = 41,752,225.62/8,952.44
  6. Step 6: Final answer
    x = 4,663.78

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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.