Home / 8,288.64-12,433.68-3,362.40

Finding the Fourth Proportional to 8,288.64, 12,433.68 and 3,362.40

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Solution

The fourth proportional to 8,288.64, 12,433.68 and 3,362.40 is: 5,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.64 : 12,433.68 = 3,362.40 : x
  2. Step 2: Convert to fraction form
    8,288.64/12,433.68 = 3,362.40/x
  3. Step 3: Cross multiply
    8,288.64x = 12,433.68 × 3,362.40
  4. Step 4: Simplify right side
    8,288.64x = 41,807,005.63
  5. Step 5: Solve for x
    x = 41,807,005.63/8,288.64
  6. Step 6: Final answer
    x = 5,043.89

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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.