Home / 5,643.70-8,464.26-2,134.07

Finding the Fourth Proportional to 5,643.70, 8,464.26 and 2,134.07

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Solution

The fourth proportional to 5,643.70, 8,464.26 and 2,134.07 is: 3,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.70 : 8,464.26 = 2,134.07 : x
  2. Step 2: Convert to fraction form
    5,643.70/8,464.26 = 2,134.07/x
  3. Step 3: Cross multiply
    5,643.70x = 8,464.26 × 2,134.07
  4. Step 4: Simplify right side
    5,643.70x = 18,063,323.34
  5. Step 5: Solve for x
    x = 18,063,323.34/5,643.70
  6. Step 6: Final answer
    x = 3,200.62

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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.