Home / 8,857.10-13,276.54-3,929.06

Finding the Fourth Proportional to 8,857.10, 13,276.54 and 3,929.06

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Solution

The fourth proportional to 8,857.10, 13,276.54 and 3,929.06 is: 5,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.10 : 13,276.54 = 3,929.06 : x
  2. Step 2: Convert to fraction form
    8,857.10/13,276.54 = 3,929.06/x
  3. Step 3: Cross multiply
    8,857.10x = 13,276.54 × 3,929.06
  4. Step 4: Simplify right side
    8,857.10x = 52,164,360.36
  5. Step 5: Solve for x
    x = 52,164,360.36/8,857.10
  6. Step 6: Final answer
    x = 5,889.55

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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.