Home / 5,786.34-7,985.21-3,133.81

Finding the Fourth Proportional to 5,786.34, 7,985.21 and 3,133.81

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Solution

The fourth proportional to 5,786.34, 7,985.21 and 3,133.81 is: 4,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.34 : 7,985.21 = 3,133.81 : x
  2. Step 2: Convert to fraction form
    5,786.34/7,985.21 = 3,133.81/x
  3. Step 3: Cross multiply
    5,786.34x = 7,985.21 × 3,133.81
  4. Step 4: Simplify right side
    5,786.34x = 25,024,130.95
  5. Step 5: Solve for x
    x = 25,024,130.95/5,786.34
  6. Step 6: Final answer
    x = 4,324.69

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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.