Home / 8,952.64-13,428.56-3,109.71

Finding the Fourth Proportional to 8,952.64, 13,428.56 and 3,109.71

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Solution

The fourth proportional to 8,952.64, 13,428.56 and 3,109.71 is: 4,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.64 : 13,428.56 = 3,109.71 : x
  2. Step 2: Convert to fraction form
    8,952.64/13,428.56 = 3,109.71/x
  3. Step 3: Cross multiply
    8,952.64x = 13,428.56 × 3,109.71
  4. Step 4: Simplify right side
    8,952.64x = 41,758,844.63
  5. Step 5: Solve for x
    x = 41,758,844.63/8,952.64
  6. Step 6: Final answer
    x = 4,664.42

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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.