Home / 5,271.24-7,907.58-1,808.04

Finding the Fourth Proportional to 5,271.24, 7,907.58 and 1,808.04

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Solution

The fourth proportional to 5,271.24, 7,907.58 and 1,808.04 is: 2,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.24 : 7,907.58 = 1,808.04 : x
  2. Step 2: Convert to fraction form
    5,271.24/7,907.58 = 1,808.04/x
  3. Step 3: Cross multiply
    5,271.24x = 7,907.58 × 1,808.04
  4. Step 4: Simplify right side
    5,271.24x = 14,297,220.94
  5. Step 5: Solve for x
    x = 14,297,220.94/5,271.24
  6. Step 6: Final answer
    x = 2,712.31

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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.