Home / 5,174.11-7,139.10-2,935.45

Finding the Fourth Proportional to 5,174.11, 7,139.10 and 2,935.45

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Solution

The fourth proportional to 5,174.11, 7,139.10 and 2,935.45 is: 4,050.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.11 : 7,139.10 = 2,935.45 : x
  2. Step 2: Convert to fraction form
    5,174.11/7,139.10 = 2,935.45/x
  3. Step 3: Cross multiply
    5,174.11x = 7,139.10 × 2,935.45
  4. Step 4: Simplify right side
    5,174.11x = 20,956,471.10
  5. Step 5: Solve for x
    x = 20,956,471.10/5,174.11
  6. Step 6: Final answer
    x = 4,050.26

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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.