Home / 7,746.28-11,620.91-3,303.87

Finding the Fourth Proportional to 7,746.28, 11,620.91 and 3,303.87

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Solution

The fourth proportional to 7,746.28, 11,620.91 and 3,303.87 is: 4,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.28 : 11,620.91 = 3,303.87 : x
  2. Step 2: Convert to fraction form
    7,746.28/11,620.91 = 3,303.87/x
  3. Step 3: Cross multiply
    7,746.28x = 11,620.91 × 3,303.87
  4. Step 4: Simplify right side
    7,746.28x = 38,393,989.59
  5. Step 5: Solve for x
    x = 38,393,989.59/7,746.28
  6. Step 6: Final answer
    x = 4,956.44

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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.