Home / 7,076.40-10,619.64-3,184.08

Finding the Fourth Proportional to 7,076.40, 10,619.64 and 3,184.08

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Solution

The fourth proportional to 7,076.40, 10,619.64 and 3,184.08 is: 4,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.40 : 10,619.64 = 3,184.08 : x
  2. Step 2: Convert to fraction form
    7,076.40/10,619.64 = 3,184.08/x
  3. Step 3: Cross multiply
    7,076.40x = 10,619.64 × 3,184.08
  4. Step 4: Simplify right side
    7,076.40x = 33,813,783.33
  5. Step 5: Solve for x
    x = 33,813,783.33/7,076.40
  6. Step 6: Final answer
    x = 4,778.39

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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.