Home / 5,195.04-7,794.56-1,909.60

Finding the Fourth Proportional to 5,195.04, 7,794.56 and 1,909.60

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Solution

The fourth proportional to 5,195.04, 7,794.56 and 1,909.60 is: 2,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.04 : 7,794.56 = 1,909.60 : x
  2. Step 2: Convert to fraction form
    5,195.04/7,794.56 = 1,909.60/x
  3. Step 3: Cross multiply
    5,195.04x = 7,794.56 × 1,909.60
  4. Step 4: Simplify right side
    5,195.04x = 14,884,491.78
  5. Step 5: Solve for x
    x = 14,884,491.78/5,195.04
  6. Step 6: Final answer
    x = 2,865.14

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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.