Home / 8,969.60-13,455.32-3,427.61

Finding the Fourth Proportional to 8,969.60, 13,455.32 and 3,427.61

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Solution

The fourth proportional to 8,969.60, 13,455.32 and 3,427.61 is: 5,141.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.60 : 13,455.32 = 3,427.61 : x
  2. Step 2: Convert to fraction form
    8,969.60/13,455.32 = 3,427.61/x
  3. Step 3: Cross multiply
    8,969.60x = 13,455.32 × 3,427.61
  4. Step 4: Simplify right side
    8,969.60x = 46,119,582.04
  5. Step 5: Solve for x
    x = 46,119,582.04/8,969.60
  6. Step 6: Final answer
    x = 5,141.76

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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.