Home / 5,218.42-7,786.79-4,666

Finding the Fourth Proportional to 5,218.42, 7,786.79 and 4,666

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Solution

The fourth proportional to 5,218.42, 7,786.79 and 4,666 is: 6,962.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.42 : 7,786.79 = 4,666 : x
  2. Step 2: Convert to fraction form
    5,218.42/7,786.79 = 4,666/x
  3. Step 3: Cross multiply
    5,218.42x = 7,786.79 × 4,666
  4. Step 4: Simplify right side
    5,218.42x = 36,333,162.14
  5. Step 5: Solve for x
    x = 36,333,162.14/5,218.42
  6. Step 6: Final answer
    x = 6,962.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.