Home / 7,545.43-11,318.73-1,998.64

Finding the Fourth Proportional to 7,545.43, 11,318.73 and 1,998.64

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Solution

The fourth proportional to 7,545.43, 11,318.73 and 1,998.64 is: 2,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.43 : 11,318.73 = 1,998.64 : x
  2. Step 2: Convert to fraction form
    7,545.43/11,318.73 = 1,998.64/x
  3. Step 3: Cross multiply
    7,545.43x = 11,318.73 × 1,998.64
  4. Step 4: Simplify right side
    7,545.43x = 22,622,066.53
  5. Step 5: Solve for x
    x = 22,622,066.53/7,545.43
  6. Step 6: Final answer
    x = 2,998.11

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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.