Home / 7,509.22-11,263.42-3,811.35

Finding the Fourth Proportional to 7,509.22, 11,263.42 and 3,811.35

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Solution

The fourth proportional to 7,509.22, 11,263.42 and 3,811.35 is: 5,716.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.22 : 11,263.42 = 3,811.35 : x
  2. Step 2: Convert to fraction form
    7,509.22/11,263.42 = 3,811.35/x
  3. Step 3: Cross multiply
    7,509.22x = 11,263.42 × 3,811.35
  4. Step 4: Simplify right side
    7,509.22x = 42,928,835.82
  5. Step 5: Solve for x
    x = 42,928,835.82/7,509.22
  6. Step 6: Final answer
    x = 5,716.82

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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.