Home / 8,862.83-13,296.31-2,939.28

Finding the Fourth Proportional to 8,862.83, 13,296.31 and 2,939.28

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Solution

The fourth proportional to 8,862.83, 13,296.31 and 2,939.28 is: 4,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.83 : 13,296.31 = 2,939.28 : x
  2. Step 2: Convert to fraction form
    8,862.83/13,296.31 = 2,939.28/x
  3. Step 3: Cross multiply
    8,862.83x = 13,296.31 × 2,939.28
  4. Step 4: Simplify right side
    8,862.83x = 39,081,530.12
  5. Step 5: Solve for x
    x = 39,081,530.12/8,862.83
  6. Step 6: Final answer
    x = 4,409.60

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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.