Home / 5,020.28-7,529.84-1,322.79

Finding the Fourth Proportional to 5,020.28, 7,529.84 and 1,322.79

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Solution

The fourth proportional to 5,020.28, 7,529.84 and 1,322.79 is: 1,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.28 : 7,529.84 = 1,322.79 : x
  2. Step 2: Convert to fraction form
    5,020.28/7,529.84 = 1,322.79/x
  3. Step 3: Cross multiply
    5,020.28x = 7,529.84 × 1,322.79
  4. Step 4: Simplify right side
    5,020.28x = 9,960,397.05
  5. Step 5: Solve for x
    x = 9,960,397.05/5,020.28
  6. Step 6: Final answer
    x = 1,984.03

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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.