Home / 5,358.14-8,039.64-2,761.28

Finding the Fourth Proportional to 5,358.14, 8,039.64 and 2,761.28

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Solution

The fourth proportional to 5,358.14, 8,039.64 and 2,761.28 is: 4,143.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.14 : 8,039.64 = 2,761.28 : x
  2. Step 2: Convert to fraction form
    5,358.14/8,039.64 = 2,761.28/x
  3. Step 3: Cross multiply
    5,358.14x = 8,039.64 × 2,761.28
  4. Step 4: Simplify right side
    5,358.14x = 22,199,697.14
  5. Step 5: Solve for x
    x = 22,199,697.14/5,358.14
  6. Step 6: Final answer
    x = 4,143.17

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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.