Home / 5,110.24-7,051.75-2,871.68

Finding the Fourth Proportional to 5,110.24, 7,051.75 and 2,871.68

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Solution

The fourth proportional to 5,110.24, 7,051.75 and 2,871.68 is: 3,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.24 : 7,051.75 = 2,871.68 : x
  2. Step 2: Convert to fraction form
    5,110.24/7,051.75 = 2,871.68/x
  3. Step 3: Cross multiply
    5,110.24x = 7,051.75 × 2,871.68
  4. Step 4: Simplify right side
    5,110.24x = 20,250,342.80
  5. Step 5: Solve for x
    x = 20,250,342.80/5,110.24
  6. Step 6: Final answer
    x = 3,962.70

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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.