Home / 6,545.96-9,819.38-2,163.32

Finding the Fourth Proportional to 6,545.96, 9,819.38 and 2,163.32

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Solution

The fourth proportional to 6,545.96, 9,819.38 and 2,163.32 is: 3,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.96 : 9,819.38 = 2,163.32 : x
  2. Step 2: Convert to fraction form
    6,545.96/9,819.38 = 2,163.32/x
  3. Step 3: Cross multiply
    6,545.96x = 9,819.38 × 2,163.32
  4. Step 4: Simplify right side
    6,545.96x = 21,242,461.14
  5. Step 5: Solve for x
    x = 21,242,461.14/6,545.96
  6. Step 6: Final answer
    x = 3,245.13

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1.5x scale

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.