Home / 6,540.76-9,812.58-2,158.03

Finding the Fourth Proportional to 6,540.76, 9,812.58 and 2,158.03

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Solution

The fourth proportional to 6,540.76, 9,812.58 and 2,158.03 is: 3,237.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.76 : 9,812.58 = 2,158.03 : x
  2. Step 2: Convert to fraction form
    6,540.76/9,812.58 = 2,158.03/x
  3. Step 3: Cross multiply
    6,540.76x = 9,812.58 × 2,158.03
  4. Step 4: Simplify right side
    6,540.76x = 21,175,842.02
  5. Step 5: Solve for x
    x = 21,175,842.02/6,540.76
  6. Step 6: Final answer
    x = 3,237.52

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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.