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Finding the Fourth Proportional to 8,289.08, 12,435.80 and 3,095

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Solution

The fourth proportional to 8,289.08, 12,435.80 and 3,095 is: 4,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.08 : 12,435.80 = 3,095 : x
  2. Step 2: Convert to fraction form
    8,289.08/12,435.80 = 3,095/x
  3. Step 3: Cross multiply
    8,289.08x = 12,435.80 × 3,095
  4. Step 4: Simplify right side
    8,289.08x = 38,488,801
  5. Step 5: Solve for x
    x = 38,488,801/8,289.08
  6. Step 6: Final answer
    x = 4,643.31

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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.