Home / 5,271.14-7,904.80-2,149.49

Finding the Fourth Proportional to 5,271.14, 7,904.80 and 2,149.49

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Solution

The fourth proportional to 5,271.14, 7,904.80 and 2,149.49 is: 3,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.14 : 7,904.80 = 2,149.49 : x
  2. Step 2: Convert to fraction form
    5,271.14/7,904.80 = 2,149.49/x
  3. Step 3: Cross multiply
    5,271.14x = 7,904.80 × 2,149.49
  4. Step 4: Simplify right side
    5,271.14x = 16,991,288.55
  5. Step 5: Solve for x
    x = 16,991,288.55/5,271.14
  6. Step 6: Final answer
    x = 3,223.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.