Home / 5,619.92-8,430.24-2,844.64

Finding the Fourth Proportional to 5,619.92, 8,430.24 and 2,844.64

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Solution

The fourth proportional to 5,619.92, 8,430.24 and 2,844.64 is: 4,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.92 : 8,430.24 = 2,844.64 : x
  2. Step 2: Convert to fraction form
    5,619.92/8,430.24 = 2,844.64/x
  3. Step 3: Cross multiply
    5,619.92x = 8,430.24 × 2,844.64
  4. Step 4: Simplify right side
    5,619.92x = 23,980,997.91
  5. Step 5: Solve for x
    x = 23,980,997.91/5,619.92
  6. Step 6: Final answer
    x = 4,267.14

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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.