Home / 7,529.28-11,290.72-3,083.88

Finding the Fourth Proportional to 7,529.28, 11,290.72 and 3,083.88

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Solution

The fourth proportional to 7,529.28, 11,290.72 and 3,083.88 is: 4,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.28 : 11,290.72 = 3,083.88 : x
  2. Step 2: Convert to fraction form
    7,529.28/11,290.72 = 3,083.88/x
  3. Step 3: Cross multiply
    7,529.28x = 11,290.72 × 3,083.88
  4. Step 4: Simplify right side
    7,529.28x = 34,819,225.59
  5. Step 5: Solve for x
    x = 34,819,225.59/7,529.28
  6. Step 6: Final answer
    x = 4,624.51

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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.