Home / 9,021.20-13,527.72-4,090.64

Finding the Fourth Proportional to 9,021.20, 13,527.72 and 4,090.64

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Solution

The fourth proportional to 9,021.20, 13,527.72 and 4,090.64 is: 6,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.20 : 13,527.72 = 4,090.64 : x
  2. Step 2: Convert to fraction form
    9,021.20/13,527.72 = 4,090.64/x
  3. Step 3: Cross multiply
    9,021.20x = 13,527.72 × 4,090.64
  4. Step 4: Simplify right side
    9,021.20x = 55,337,032.54
  5. Step 5: Solve for x
    x = 55,337,032.54/9,021.20
  6. Step 6: Final answer
    x = 6,134.11

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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.