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Finding the Fourth Proportional to 9,203.64, 13,802.72 and 3,358.88

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Solution

The fourth proportional to 9,203.64, 13,802.72 and 3,358.88 is: 5,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.64 : 13,802.72 = 3,358.88 : x
  2. Step 2: Convert to fraction form
    9,203.64/13,802.72 = 3,358.88/x
  3. Step 3: Cross multiply
    9,203.64x = 13,802.72 × 3,358.88
  4. Step 4: Simplify right side
    9,203.64x = 46,361,594.35
  5. Step 5: Solve for x
    x = 46,361,594.35/9,203.64
  6. Step 6: Final answer
    x = 5,037.31

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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.