Home / 5,204.32-7,809.54-1,919.70

Finding the Fourth Proportional to 5,204.32, 7,809.54 and 1,919.70

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Solution

The fourth proportional to 5,204.32, 7,809.54 and 1,919.70 is: 2,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.32 : 7,809.54 = 1,919.70 : x
  2. Step 2: Convert to fraction form
    5,204.32/7,809.54 = 1,919.70/x
  3. Step 3: Cross multiply
    5,204.32x = 7,809.54 × 1,919.70
  4. Step 4: Simplify right side
    5,204.32x = 14,991,996.02
  5. Step 5: Solve for x
    x = 14,991,996.02/5,204.32
  6. Step 6: Final answer
    x = 2,880.68

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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.