Home / 5,208.07-7,176.49-3,712.81

Finding the Fourth Proportional to 5,208.07, 7,176.49 and 3,712.81

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Solution

The fourth proportional to 5,208.07, 7,176.49 and 3,712.81 is: 5,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.07 : 7,176.49 = 3,712.81 : x
  2. Step 2: Convert to fraction form
    5,208.07/7,176.49 = 3,712.81/x
  3. Step 3: Cross multiply
    5,208.07x = 7,176.49 × 3,712.81
  4. Step 4: Simplify right side
    5,208.07x = 26,644,943.84
  5. Step 5: Solve for x
    x = 26,644,943.84/5,208.07
  6. Step 6: Final answer
    x = 5,116.09

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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.