Home / 6,207.81-9,311.58-2,919.08

Finding the Fourth Proportional to 6,207.81, 9,311.58 and 2,919.08

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Solution

The fourth proportional to 6,207.81, 9,311.58 and 2,919.08 is: 4,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.81 : 9,311.58 = 2,919.08 : x
  2. Step 2: Convert to fraction form
    6,207.81/9,311.58 = 2,919.08/x
  3. Step 3: Cross multiply
    6,207.81x = 9,311.58 × 2,919.08
  4. Step 4: Simplify right side
    6,207.81x = 27,181,200.39
  5. Step 5: Solve for x
    x = 27,181,200.39/6,207.81
  6. Step 6: Final answer
    x = 4,378.55

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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.