Home / 5,273.34-7,909.50-2,153.63

Finding the Fourth Proportional to 5,273.34, 7,909.50 and 2,153.63

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Solution

The fourth proportional to 5,273.34, 7,909.50 and 2,153.63 is: 3,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.34 : 7,909.50 = 2,153.63 : x
  2. Step 2: Convert to fraction form
    5,273.34/7,909.50 = 2,153.63/x
  3. Step 3: Cross multiply
    5,273.34x = 7,909.50 × 2,153.63
  4. Step 4: Simplify right side
    5,273.34x = 17,034,096.94
  5. Step 5: Solve for x
    x = 17,034,096.94/5,273.34
  6. Step 6: Final answer
    x = 3,230.23

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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.