Home / 6,539.79-9,810.09-2,157.27

Finding the Fourth Proportional to 6,539.79, 9,810.09 and 2,157.27

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Solution

The fourth proportional to 6,539.79, 9,810.09 and 2,157.27 is: 3,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539.79 : 9,810.09 = 2,157.27 : x
  2. Step 2: Convert to fraction form
    6,539.79/9,810.09 = 2,157.27/x
  3. Step 3: Cross multiply
    6,539.79x = 9,810.09 × 2,157.27
  4. Step 4: Simplify right side
    6,539.79x = 21,163,012.85
  5. Step 5: Solve for x
    x = 21,163,012.85/6,539.79
  6. Step 6: Final answer
    x = 3,236.04

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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.