Home / 5,919.27-8,875.86-3,147.45

Finding the Fourth Proportional to 5,919.27, 8,875.86 and 3,147.45

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Solution

The fourth proportional to 5,919.27, 8,875.86 and 3,147.45 is: 4,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.27 : 8,875.86 = 3,147.45 : x
  2. Step 2: Convert to fraction form
    5,919.27/8,875.86 = 3,147.45/x
  3. Step 3: Cross multiply
    5,919.27x = 8,875.86 × 3,147.45
  4. Step 4: Simplify right side
    5,919.27x = 27,936,325.56
  5. Step 5: Solve for x
    x = 27,936,325.56/5,919.27
  6. Step 6: Final answer
    x = 4,719.56

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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.