Home / 5,169.60-7,752.32-1,881.92

Finding the Fourth Proportional to 5,169.60, 7,752.32 and 1,881.92

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Solution

The fourth proportional to 5,169.60, 7,752.32 and 1,881.92 is: 2,822.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.60 : 7,752.32 = 1,881.92 : x
  2. Step 2: Convert to fraction form
    5,169.60/7,752.32 = 1,881.92/x
  3. Step 3: Cross multiply
    5,169.60x = 7,752.32 × 1,881.92
  4. Step 4: Simplify right side
    5,169.60x = 14,589,246.05
  5. Step 5: Solve for x
    x = 14,589,246.05/5,169.60
  6. Step 6: Final answer
    x = 2,822.12

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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.