Home / 5,021.52-7,534.08-2,099.28

Finding the Fourth Proportional to 5,021.52, 7,534.08 and 2,099.28

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Solution

The fourth proportional to 5,021.52, 7,534.08 and 2,099.28 is: 3,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.52 : 7,534.08 = 2,099.28 : x
  2. Step 2: Convert to fraction form
    5,021.52/7,534.08 = 2,099.28/x
  3. Step 3: Cross multiply
    5,021.52x = 7,534.08 × 2,099.28
  4. Step 4: Simplify right side
    5,021.52x = 15,816,143.46
  5. Step 5: Solve for x
    x = 15,816,143.46/5,021.52
  6. Step 6: Final answer
    x = 3,149.67

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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.