Home / 5,439.08-8,143.98-2,836.52

Finding the Fourth Proportional to 5,439.08, 8,143.98 and 2,836.52

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Solution

The fourth proportional to 5,439.08, 8,143.98 and 2,836.52 is: 4,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.08 : 8,143.98 = 2,836.52 : x
  2. Step 2: Convert to fraction form
    5,439.08/8,143.98 = 2,836.52/x
  3. Step 3: Cross multiply
    5,439.08x = 8,143.98 × 2,836.52
  4. Step 4: Simplify right side
    5,439.08x = 23,100,562.15
  5. Step 5: Solve for x
    x = 23,100,562.15/5,439.08
  6. Step 6: Final answer
    x = 4,247.15

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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.