Home / 5,199.04-7,796.04-1,911.28

Finding the Fourth Proportional to 5,199.04, 7,796.04 and 1,911.28

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Solution

The fourth proportional to 5,199.04, 7,796.04 and 1,911.28 is: 2,865.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.04 : 7,796.04 = 1,911.28 : x
  2. Step 2: Convert to fraction form
    5,199.04/7,796.04 = 1,911.28/x
  3. Step 3: Cross multiply
    5,199.04x = 7,796.04 × 1,911.28
  4. Step 4: Simplify right side
    5,199.04x = 14,900,415.33
  5. Step 5: Solve for x
    x = 14,900,415.33/5,199.04
  6. Step 6: Final answer
    x = 2,865.99

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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.