Home / 5,269.80-7,271.10-3,173.88

Finding the Fourth Proportional to 5,269.80, 7,271.10 and 3,173.88

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Solution

The fourth proportional to 5,269.80, 7,271.10 and 3,173.88 is: 4,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.80 : 7,271.10 = 3,173.88 : x
  2. Step 2: Convert to fraction form
    5,269.80/7,271.10 = 3,173.88/x
  3. Step 3: Cross multiply
    5,269.80x = 7,271.10 × 3,173.88
  4. Step 4: Simplify right side
    5,269.80x = 23,077,598.87
  5. Step 5: Solve for x
    x = 23,077,598.87/5,269.80
  6. Step 6: Final answer
    x = 4,379.22

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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.