Home / 5,101.88-7,041.08-2,864.14

Finding the Fourth Proportional to 5,101.88, 7,041.08 and 2,864.14

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Solution

The fourth proportional to 5,101.88, 7,041.08 and 2,864.14 is: 3,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.88 : 7,041.08 = 2,864.14 : x
  2. Step 2: Convert to fraction form
    5,101.88/7,041.08 = 2,864.14/x
  3. Step 3: Cross multiply
    5,101.88x = 7,041.08 × 2,864.14
  4. Step 4: Simplify right side
    5,101.88x = 20,166,638.87
  5. Step 5: Solve for x
    x = 20,166,638.87/5,101.88
  6. Step 6: Final answer
    x = 3,952.79

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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.