Home / 9,268.64-13,898.40-5,319.28

Finding the Fourth Proportional to 9,268.64, 13,898.40 and 5,319.28

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Solution

The fourth proportional to 9,268.64, 13,898.40 and 5,319.28 is: 7,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.64 : 13,898.40 = 5,319.28 : x
  2. Step 2: Convert to fraction form
    9,268.64/13,898.40 = 5,319.28/x
  3. Step 3: Cross multiply
    9,268.64x = 13,898.40 × 5,319.28
  4. Step 4: Simplify right side
    9,268.64x = 73,929,481.15
  5. Step 5: Solve for x
    x = 73,929,481.15/9,268.64
  6. Step 6: Final answer
    x = 7,976.30

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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.