Home / 6,528.60-9,791.89-2,146.03

Finding the Fourth Proportional to 6,528.60, 9,791.89 and 2,146.03

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Solution

The fourth proportional to 6,528.60, 9,791.89 and 2,146.03 is: 3,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.60 : 9,791.89 = 2,146.03 : x
  2. Step 2: Convert to fraction form
    6,528.60/9,791.89 = 2,146.03/x
  3. Step 3: Cross multiply
    6,528.60x = 9,791.89 × 2,146.03
  4. Step 4: Simplify right side
    6,528.60x = 21,013,630.01
  5. Step 5: Solve for x
    x = 21,013,630.01/6,528.60
  6. Step 6: Final answer
    x = 3,218.70

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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.