Home / 5,051.79-6,971.13-3,163.30

Finding the Fourth Proportional to 5,051.79, 6,971.13 and 3,163.30

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Solution

The fourth proportional to 5,051.79, 6,971.13 and 3,163.30 is: 4,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.79 : 6,971.13 = 3,163.30 : x
  2. Step 2: Convert to fraction form
    5,051.79/6,971.13 = 3,163.30/x
  3. Step 3: Cross multiply
    5,051.79x = 6,971.13 × 3,163.30
  4. Step 4: Simplify right side
    5,051.79x = 22,051,758.10
  5. Step 5: Solve for x
    x = 22,051,758.10/5,051.79
  6. Step 6: Final answer
    x = 4,365.14

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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.