Home / 5,358.45-7,379.46-5,243.97

Finding the Fourth Proportional to 5,358.45, 7,379.46 and 5,243.97

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Solution

The fourth proportional to 5,358.45, 7,379.46 and 5,243.97 is: 7,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.45 : 7,379.46 = 5,243.97 : x
  2. Step 2: Convert to fraction form
    5,358.45/7,379.46 = 5,243.97/x
  3. Step 3: Cross multiply
    5,358.45x = 7,379.46 × 5,243.97
  4. Step 4: Simplify right side
    5,358.45x = 38,697,666.86
  5. Step 5: Solve for x
    x = 38,697,666.86/5,358.45
  6. Step 6: Final answer
    x = 7,221.80

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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.