Home / 6,543.05-9,819.77-3,424.01

Finding the Fourth Proportional to 6,543.05, 9,819.77 and 3,424.01

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Solution

The fourth proportional to 6,543.05, 9,819.77 and 3,424.01 is: 5,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.05 : 9,819.77 = 3,424.01 : x
  2. Step 2: Convert to fraction form
    6,543.05/9,819.77 = 3,424.01/x
  3. Step 3: Cross multiply
    6,543.05x = 9,819.77 × 3,424.01
  4. Step 4: Simplify right side
    6,543.05x = 33,622,924.46
  5. Step 5: Solve for x
    x = 33,622,924.46/6,543.05
  6. Step 6: Final answer
    x = 5,138.73

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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.