Home / 5,271.54-7,908.22-2,153.24

Finding the Fourth Proportional to 5,271.54, 7,908.22 and 2,153.24

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Solution

The fourth proportional to 5,271.54, 7,908.22 and 2,153.24 is: 3,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.54 : 7,908.22 = 2,153.24 : x
  2. Step 2: Convert to fraction form
    5,271.54/7,908.22 = 2,153.24/x
  3. Step 3: Cross multiply
    5,271.54x = 7,908.22 × 2,153.24
  4. Step 4: Simplify right side
    5,271.54x = 17,028,295.63
  5. Step 5: Solve for x
    x = 17,028,295.63/5,271.54
  6. Step 6: Final answer
    x = 3,230.23

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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.