Home / 5,786.61-7,985.48-3,134.01

Finding the Fourth Proportional to 5,786.61, 7,985.48 and 3,134.01

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Solution

The fourth proportional to 5,786.61, 7,985.48 and 3,134.01 is: 4,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.61 : 7,985.48 = 3,134.01 : x
  2. Step 2: Convert to fraction form
    5,786.61/7,985.48 = 3,134.01/x
  3. Step 3: Cross multiply
    5,786.61x = 7,985.48 × 3,134.01
  4. Step 4: Simplify right side
    5,786.61x = 25,026,558.50
  5. Step 5: Solve for x
    x = 25,026,558.50/5,786.61
  6. Step 6: Final answer
    x = 4,324.91

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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.