Home / 6,545.53-9,820.32-2,166.07

Finding the Fourth Proportional to 6,545.53, 9,820.32 and 2,166.07

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Solution

The fourth proportional to 6,545.53, 9,820.32 and 2,166.07 is: 3,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.53 : 9,820.32 = 2,166.07 : x
  2. Step 2: Convert to fraction form
    6,545.53/9,820.32 = 2,166.07/x
  3. Step 3: Cross multiply
    6,545.53x = 9,820.32 × 2,166.07
  4. Step 4: Simplify right side
    6,545.53x = 21,271,500.54
  5. Step 5: Solve for x
    x = 21,271,500.54/6,545.53
  6. Step 6: Final answer
    x = 3,249.78

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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.