Home / 4,911.80-7,356.09-3,740.39

Finding the Fourth Proportional to 4,911.80, 7,356.09 and 3,740.39

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Solution

The fourth proportional to 4,911.80, 7,356.09 and 3,740.39 is: 5,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.80 : 7,356.09 = 3,740.39 : x
  2. Step 2: Convert to fraction form
    4,911.80/7,356.09 = 3,740.39/x
  3. Step 3: Cross multiply
    4,911.80x = 7,356.09 × 3,740.39
  4. Step 4: Simplify right side
    4,911.80x = 27,514,645.48
  5. Step 5: Solve for x
    x = 27,514,645.48/4,911.80
  6. Step 6: Final answer
    x = 5,601.74

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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.