Home / 5,475.63-8,212.73-1,580.43

Finding the Fourth Proportional to 5,475.63, 8,212.73 and 1,580.43

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Solution

The fourth proportional to 5,475.63, 8,212.73 and 1,580.43 is: 2,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.63 : 8,212.73 = 1,580.43 : x
  2. Step 2: Convert to fraction form
    5,475.63/8,212.73 = 1,580.43/x
  3. Step 3: Cross multiply
    5,475.63x = 8,212.73 × 1,580.43
  4. Step 4: Simplify right side
    5,475.63x = 12,979,636.97
  5. Step 5: Solve for x
    x = 12,979,636.97/5,475.63
  6. Step 6: Final answer
    x = 2,370.44

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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.