Home / 5,447.05-7,516.94-3,057.08

Finding the Fourth Proportional to 5,447.05, 7,516.94 and 3,057.08

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Solution

The fourth proportional to 5,447.05, 7,516.94 and 3,057.08 is: 4,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.05 : 7,516.94 = 3,057.08 : x
  2. Step 2: Convert to fraction form
    5,447.05/7,516.94 = 3,057.08/x
  3. Step 3: Cross multiply
    5,447.05x = 7,516.94 × 3,057.08
  4. Step 4: Simplify right side
    5,447.05x = 22,979,834.07
  5. Step 5: Solve for x
    x = 22,979,834.07/5,447.05
  6. Step 6: Final answer
    x = 4,218.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.