Home / 9,021.28-13,529.84-3,475.36

Finding the Fourth Proportional to 9,021.28, 13,529.84 and 3,475.36

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Solution

The fourth proportional to 9,021.28, 13,529.84 and 3,475.36 is: 5,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.28 : 13,529.84 = 3,475.36 : x
  2. Step 2: Convert to fraction form
    9,021.28/13,529.84 = 3,475.36/x
  3. Step 3: Cross multiply
    9,021.28x = 13,529.84 × 3,475.36
  4. Step 4: Simplify right side
    9,021.28x = 47,021,064.74
  5. Step 5: Solve for x
    x = 47,021,064.74/9,021.28
  6. Step 6: Final answer
    x = 5,212.24

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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.